taxonID	type	description	language	source
20147DC62441A3765C9F4215A106483D.taxon	diagnosis	Diagnosis. Pronotum with the humeral and posterior angles developed; origin of the labium caudad of the anterior limit of the eyes; head wider than long, anterior margin of head almost straight; labrum thick and curved; juga touching each other before clypeus; interocular width greater than head length (1.16 x); triangular ante-ocular process extending beyond the eye and perpendicular to the sagittal plane; pronotum with an antero-lateral process (broad spine-like), parallel to the sagittal plane; scutellum triangular with a developed and circular tongue; wings well developed with membrane just surpassing end of abdomen; costal margin bending acutely before end of basal half (boomerang shaped); apex of the scutellum not reaching the apex of corium.	en	Petrulevicius, Julian F., Popov, Yuri A. (2014): First fossil record of Discocephalinae (Insecta, Pentatomidae): a new genus from the middle Eocene of Rio Pichileufu, Patagonia, Argentina. ZooKeys 422: 23-33, DOI: http://dx.doi.org/10.3897/zookeys.422.6750, URL: http://dx.doi.org/10.3897/zookeys.422.6750
20147DC62441A3765C9F4215A106483D.taxon	etymology	Etymology. From the Latin acanthus, meaning spiny, the Greek κεφαλή, meaning head and the Greek νώτος, meaning dorsal and signalling dorsal part of prothorax. " After the head and pronotum with broad spine-like processes ".	en	Petrulevicius, Julian F., Popov, Yuri A. (2014): First fossil record of Discocephalinae (Insecta, Pentatomidae): a new genus from the middle Eocene of Rio Pichileufu, Patagonia, Argentina. ZooKeys 422: 23-33, DOI: http://dx.doi.org/10.3897/zookeys.422.6750, URL: http://dx.doi.org/10.3897/zookeys.422.6750
D8094FD860D36BA21933F4727C852E39.taxon	diagnosis	Diagnosis. Same as for the genus, by monotypy.	en	Petrulevicius, Julian F., Popov, Yuri A. (2014): First fossil record of Discocephalinae (Insecta, Pentatomidae): a new genus from the middle Eocene of Rio Pichileufu, Patagonia, Argentina. ZooKeys 422: 23-33, DOI: http://dx.doi.org/10.3897/zookeys.422.6750, URL: http://dx.doi.org/10.3897/zookeys.422.6750
D8094FD860D36BA21933F4727C852E39.taxon	description	Description. The specimen is mainly complete and articulated in dorsal position with a composite view of dorsal and ventral structures. Body: 4.7 mm long and 3.6 mm wide at pronotum; width (at the base of the hemelytra) / specimen length ratio, 0.78; antennae and legs not visible; head broad, almost rectangular with numerous punctures, wider than long; anterior margin of head almost straight in almost all its width; head 1.15 mm wide in its anterior margin, 0.8 mm long; eyes, 0.24 mm wide, 0.11 mm long; anteocular length 0.36 mm; inter-ocular width 0.95 mm; inter-ocular width / head length ratio, 0.84; distance between ocelli 0.48 mm; distance between eyes and ocellus 0.2 mm; juga (= mandibular plates) touching each other before clypeus; apex of juga contiguous about 0.11 mm; lateral margins of juga deeply concave; clypeus bullet shaped; ante-ocular process extending beyond the eye and perpendicular to the sagittal plane, subtriangular shaped, 0.23 mm long, with its anterior margin convex and posterior margin concave and beside the eye; labrum thick and curved (ventral structure); origin of the labium caudad of the anterior limit of the eyes (ventral structure); pronotum with a broad spine-like antero-lateral process, stout and acute, parallel to the sagittal plane, 0.2 mm long; head length / pronotal width ratio, 0.87; pronotum with numerous punctures, strongly explanate and bean-shaped, 3.6 mm wide, 1 mm long; lateral margins rounded and irregular; scutellum triangular with a developed and circular tongue; scutellum about 2.8 mm wide at base, 1.9 mm long; tongue, 1.2 mm wide and 0.75 mm long; apex of tongue surpassing the corium; apex of scutellum reaching the anterior side of abdominal segment 7; posterior margin of abdominal segment 7 with three straight sides; gonocoxites 8 (ventral structure) with sub-triangular truncate shape, outer lateral margins obliques, posterior ones straights; laterotergites 8 large, sub-triangular, truncate in inner lateral margins. Wings: well developed membrane just surpassing end of abdomen; corium with punctures; costal margin bending acutely before end of basal half (boomerang shaped); costal angles of corium above ante-penultimate tergum; R slightly curved and followed by punctures by both sides; M slightly zigzagged; CuA almost straight and followed by punctures by both sides; venation not visible in membrane.	en	Petrulevicius, Julian F., Popov, Yuri A. (2014): First fossil record of Discocephalinae (Insecta, Pentatomidae): a new genus from the middle Eocene of Rio Pichileufu, Patagonia, Argentina. ZooKeys 422: 23-33, DOI: http://dx.doi.org/10.3897/zookeys.422.6750, URL: http://dx.doi.org/10.3897/zookeys.422.6750
D8094FD860D36BA21933F4727C852E39.taxon	etymology	Etymology. Dedicated to the memory of Rafael Gioia Martins-Neto, outstanding palaeoentomologist and " irmao de alma ", who unexpectedly and prematurely passed away in 2010 at age 56.	en	Petrulevicius, Julian F., Popov, Yuri A. (2014): First fossil record of Discocephalinae (Insecta, Pentatomidae): a new genus from the middle Eocene of Rio Pichileufu, Patagonia, Argentina. ZooKeys 422: 23-33, DOI: http://dx.doi.org/10.3897/zookeys.422.6750, URL: http://dx.doi.org/10.3897/zookeys.422.6750
