taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03EC879BCF50831DC1922EBB8F42FA4A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187699/files/figure.png	https://doi.org/10.5281/zenodo.1187699	FIGURE 1. Protypotherium antiquum, lectotype ZMK 21/1877, right mandibular fragment with p4-m3, in labial (A) and occlusal (B) views; reproductions of figures 1 (C) and 1a (D) from Ameghino (1889, plate 15); and MACN-A 1288, cast of lectotype, inlabial (E) and occlusal(F)views. Protypotherium australe, MACN-A 1338, cast of theholotype, in occlusalview (G). Protypotherium praerutilum, holotype MACN-A 1081, incomplete skull, in ventral (H) and dorsal (I) views; holotype MACN-A 1082, incomplete mandible, in lateral (J) and occlusal (K) views; reproductions of figures 6 (L) and 6a (M) from Ameghino (1889, plate 14); reproductions of figures 7 (N) and 7a (O) from Ameghino (1889, plate 14). Scale bar = 10 mm.	FIGURE 1. Protypotherium antiquum, lectotype ZMK 21/1877, right mandibular fragment with p4-m3, in labial (A) and occlusal (B) views; reproductions of figures 1 (C) and 1a (D) from Ameghino (1889, plate 15); and MACN-A 1288, cast of lectotype, inlabial (E) and occlusal(F)views. Protypotherium australe, MACN-A 1338, cast of theholotype, in occlusalview (G). Protypotherium praerutilum, holotype MACN-A 1081, incomplete skull, in ventral (H) and dorsal (I) views; holotype MACN-A 1082, incomplete mandible, in lateral (J) and occlusal (K) views; reproductions of figures 6 (L) and 6a (M) from Ameghino (1889, plate 14); reproductions of figures 7 (N) and 7a (O) from Ameghino (1889, plate 14). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF548312C1922DBB8F42FB75.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187699/files/figure.png	https://doi.org/10.5281/zenodo.1187699	FIGURE 1. Protypotherium antiquum, lectotype ZMK 21/1877, right mandibular fragment with p4-m3, in labial (A) and occlusal (B) views; reproductions of figures 1 (C) and 1a (D) from Ameghino (1889, plate 15); and MACN-A 1288, cast of lectotype, inlabial (E) and occlusal(F)views. Protypotherium australe, MACN-A 1338, cast of theholotype, in occlusalview (G). Protypotherium praerutilum, holotype MACN-A 1081, incomplete skull, in ventral (H) and dorsal (I) views; holotype MACN-A 1082, incomplete mandible, in lateral (J) and occlusal (K) views; reproductions of figures 6 (L) and 6a (M) from Ameghino (1889, plate 14); reproductions of figures 7 (N) and 7a (O) from Ameghino (1889, plate 14). Scale bar = 10 mm.	FIGURE 1. Protypotherium antiquum, lectotype ZMK 21/1877, right mandibular fragment with p4-m3, in labial (A) and occlusal (B) views; reproductions of figures 1 (C) and 1a (D) from Ameghino (1889, plate 15); and MACN-A 1288, cast of lectotype, inlabial (E) and occlusal(F)views. Protypotherium australe, MACN-A 1338, cast of theholotype, in occlusalview (G). Protypotherium praerutilum, holotype MACN-A 1081, incomplete skull, in ventral (H) and dorsal (I) views; holotype MACN-A 1082, incomplete mandible, in lateral (J) and occlusal (K) views; reproductions of figures 6 (L) and 6a (M) from Ameghino (1889, plate 14); reproductions of figures 7 (N) and 7a (O) from Ameghino (1889, plate 14). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF5B8313C1922CBD8F42FBA8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187699/files/figure.png	https://doi.org/10.5281/zenodo.1187699	FIGURE 1. Protypotherium antiquum, lectotype ZMK 21/1877, right mandibular fragment with p4-m3, in labial (A) and occlusal (B) views; reproductions of figures 1 (C) and 1a (D) from Ameghino (1889, plate 15); and MACN-A 1288, cast of lectotype, inlabial (E) and occlusal(F)views. Protypotherium australe, MACN-A 1338, cast of theholotype, in occlusalview (G). Protypotherium praerutilum, holotype MACN-A 1081, incomplete skull, in ventral (H) and dorsal (I) views; holotype MACN-A 1082, incomplete mandible, in lateral (J) and occlusal (K) views; reproductions of figures 6 (L) and 6a (M) from Ameghino (1889, plate 14); reproductions of figures 7 (N) and 7a (O) from Ameghino (1889, plate 14). Scale bar = 10 mm.	FIGURE 1. Protypotherium antiquum, lectotype ZMK 21/1877, right mandibular fragment with p4-m3, in labial (A) and occlusal (B) views; reproductions of figures 1 (C) and 1a (D) from Ameghino (1889, plate 15); and MACN-A 1288, cast of lectotype, inlabial (E) and occlusal(F)views. Protypotherium australe, MACN-A 1338, cast of theholotype, in occlusalview (G). Protypotherium praerutilum, holotype MACN-A 1081, incomplete skull, in ventral (H) and dorsal (I) views; holotype MACN-A 1082, incomplete mandible, in lateral (J) and occlusal (K) views; reproductions of figures 6 (L) and 6a (M) from Ameghino (1889, plate 14); reproductions of figures 7 (N) and 7a (O) from Ameghino (1889, plate 14). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF5A8310C1922C868F42FC55.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187701/files/figure.png	https://doi.org/10.5281/zenodo.1187701	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF598310C1922B9D8FB0F8BA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187701/files/figure.png	https://doi.org/10.5281/zenodo.1187701	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF588316C19228DE8F42FF00.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187701/files/figure.png	https://doi.org/10.5281/zenodo.1187701	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF5F8316C1922CCF8F42F8FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187701/files/figure.png	https://doi.org/10.5281/zenodo.1187701	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF5F8316C192296E8F42FBE6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187701/files/figure.png	https://doi.org/10.5281/zenodo.1187701	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF5F8317C1922F358F42FD52.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187701/files/figure.png	https://doi.org/10.5281/zenodo.1187701	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF5E8317C1922AFF8F42FA10.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187701/files/figure.png	https://doi.org/10.5281/zenodo.1187701	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF5E8314C1922E518F42FC88.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187701/files/figure.png	https://doi.org/10.5281/zenodo.1187701	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	FIGURE 2. Protypotherium attenuatum, syntype MACN-A 524, left maxilla with P2–M3 but lacking P1, in occlusal view (A); syntype MACN-A 628, right fragmented mandible with alveoli of i1–3 and c (broken)–m1 but lacking m2–3, in labial (B) and occlusal (C) views; reproductions of figures 21 (D), 20 (E) and 20a (F) from Ameghino (1889, plate 14). Protypotherium obstructum, holotype MACN-A 1677, lower premolar in labial, oclusal and lingual views (G); reproduction of figure 19 (H) from Ameghino (1889, plate 15). Protypotherium claudum, holotype MACN-A 551, right mandibular fragment with alveolus of p2 andp3–m2, in labial (I) and occlusal (J)views; reproductions of figures 22 (K) and 22a (L) from Ameghino (1889, plate 14). Protypotherium globosum, holotype MACN-A 4049, skull, in ventral (M) and dorsal (N) views. Protypotherium convexidens, holotype MACN-A 4054, right maxillary fragment with P3–M2 (broken), in occlusal view (O). Protypotherium diversidens, holotype MACN-A 4052, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (P). Protypotheriumcompressidens, holotype MACN-A 4029, left maxillaryfragment withP3–M3, in occlusal view (Q); holotype MACN-A 4030, left mandibular fragment with p4 (talonid)–m3, in occlusal view (R). Protypotherium lineare, holotype MACN-A4039, right mandibular fragment with alveolus of p1 and p2–m1, in occlusal view (S); holotype MACN-A 4038, left mandibular fragment with p3–m2, in occlusal view (T). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF5D830BC1922C808D62FD18.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187703/files/figure.png	https://doi.org/10.5281/zenodo.1187703	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF42830BC1922B568F42F8F2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187703/files/figure.png	https://doi.org/10.5281/zenodo.1187703	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF428308C1922F338F42FBC5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187703/files/figure.png	https://doi.org/10.5281/zenodo.1187703	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF418308C1922C2D8F42F80E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187703/files/figure.png	https://doi.org/10.5281/zenodo.1187703	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF408309C19228DE8F42FC12.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187703/files/figure.png	https://doi.org/10.5281/zenodo.1187703	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	FIGURE 3. Patriarchus palmidens, holotype MACN-A 9651a, mandibular symphysis with right i1–p1 and left i1–2 and the alveolus of i3, in labial (A), occlusal (B) and antero-labial (C) views; reproductions of figures 2 (D), 2a (E) and 2b (F) from Ameghino (1889, plate 15). Patriarchus furculosus, syntype MACN-A 3970, left maxillary fragment with P2–M3, in occlusal view (G); syntype MACN-A 3972, right mandibular fragment with p2–m3, in occlusal view (H); syntype MACN-A 3977, incomplete skull, dorsal view (I). Patriarchus distortus, holotype MACN-A 9634 to MACN-A 9638: MACN-A 9634, skull, ventral (J)and dorsal (K) views; MACN-A 9636, proximal epiphysis of right femur, in anterior view (L); MACN-A 9637 and MACN-A9638, proximal epiphyses of right tibia and fibula,articulated with the distal epiphysis of right femur, in lateral view (M). Patriarchus rectus, holotype MACN-A 4005, right maxillary fragment (vertically rotated) with alveolus of C and series P1–M3, in occlusal view (N); holotype MACN-A 4006, left maxillary fragment (vertically rotated) with M1–3, in occlusal view (O); holotype MACN-A 4007, mandibular fragment with incomplete symphysis, broken alveoli of left and right i1-2 and complete left i3–m3 series, in occlusal view (P). Patriarchus diastematus, holotypeMACN-A 4044, two maxillae with alveoli of C–P1 andright P2–M3 andleft P2–M2, in occlusal view (Q). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF40830EC1922C538F42FDCE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187705/files/figure.png	https://doi.org/10.5281/zenodo.1187705	FIGURE 4. Patriarchus leptocephalus, holotype MACN-A 3989, incomplete skull, in ventral (A) and dorsal (B) views. Patriarchus altus, holotype MACN-A 4001, incomplete skull, in ventral (C) and dorsal (D) views. Patriarchus icochiloides, holotype MACN-A 4021, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (E); holotype MACN-A 4022, right mandibular fragment with alveoli of p2–3 and p4–m3, in occlusal view (F). Scale bar = 10 mm.	FIGURE 4. Patriarchus leptocephalus, holotype MACN-A 3989, incomplete skull, in ventral (A) and dorsal (B) views. Patriarchus altus, holotype MACN-A 4001, incomplete skull, in ventral (C) and dorsal (D) views. Patriarchus icochiloides, holotype MACN-A 4021, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (E); holotype MACN-A 4022, right mandibular fragment with alveoli of p2–3 and p4–m3, in occlusal view (F). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF47830EC1922A278F42F911.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187705/files/figure.png	https://doi.org/10.5281/zenodo.1187705	FIGURE 4. Patriarchus leptocephalus, holotype MACN-A 3989, incomplete skull, in ventral (A) and dorsal (B) views. Patriarchus altus, holotype MACN-A 4001, incomplete skull, in ventral (C) and dorsal (D) views. Patriarchus icochiloides, holotype MACN-A 4021, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (E); holotype MACN-A 4022, right mandibular fragment with alveoli of p2–3 and p4–m3, in occlusal view (F). Scale bar = 10 mm.	FIGURE 4. Patriarchus leptocephalus, holotype MACN-A 3989, incomplete skull, in ventral (A) and dorsal (B) views. Patriarchus altus, holotype MACN-A 4001, incomplete skull, in ventral (C) and dorsal (D) views. Patriarchus icochiloides, holotype MACN-A 4021, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (E); holotype MACN-A 4022, right mandibular fragment with alveoli of p2–3 and p4–m3, in occlusal view (F). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
03EC879BCF47830FC1922F5F8F42FBE2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/1187705/files/figure.png	https://doi.org/10.5281/zenodo.1187705	FIGURE 4. Patriarchus leptocephalus, holotype MACN-A 3989, incomplete skull, in ventral (A) and dorsal (B) views. Patriarchus altus, holotype MACN-A 4001, incomplete skull, in ventral (C) and dorsal (D) views. Patriarchus icochiloides, holotype MACN-A 4021, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (E); holotype MACN-A 4022, right mandibular fragment with alveoli of p2–3 and p4–m3, in occlusal view (F). Scale bar = 10 mm.	FIGURE 4. Patriarchus leptocephalus, holotype MACN-A 3989, incomplete skull, in ventral (A) and dorsal (B) views. Patriarchus altus, holotype MACN-A 4001, incomplete skull, in ventral (C) and dorsal (D) views. Patriarchus icochiloides, holotype MACN-A 4021, right maxillary fragment with alveolus of P1 and P2–M3, in occlusal view (E); holotype MACN-A 4022, right mandibular fragment with alveoli of p2–3 and p4–m3, in occlusal view (F). Scale bar = 10 mm.	2018-02-28	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.		Zenodo	biologists	Fernández, Mercedes;Fernicola, Juan Carlos;Cerdeño, Esperanza;Reguero, Marcelo A.			
