taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03DC87FDEC16FFDC6FDDF9EDA080FD5A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286587/files/figure.png	https://doi.org/10.5281/zenodo.5286587	FIGURE 3. Carapace outlines (lateral and ventral) of males of all Metaconchoecia species redrawn at the same scale from the original species descriptions or redescriptions. M. acuta (redrawn from Gooday 1981, Fig 32A); M. alta (redrawn from Chavtur 2003, Fig. 22A); M. ampla (redrawn from Chavtur, 2003, Fig. 26A); M. australis (redrawn from Gooday 1981, Fig. 37H); M. crassiseta (redrawn from Chavtur 2003, Fig. 36A); M. discoveryi (redrawn from Gooday 1981, Fig. 20A); M. fowleri (redrawn from Gooday 1981, Fig. 11A), M. inflata inflata (redrawn from Gooday, 1981, Fig. 39A); M. inflata lata (redrawn from Chavtur 2003, Fig. 45A); M. obtusa (redrawn from Gooday, 1981, Fig. 23A); M. rotundata (redrawn from Gooday 1981, Fig. 43A); M. longiseta (redrawn from Chavtur 2003, Fig. 2D); M. skogsbergi (redrawn from Skogsberg 1920, Fig. 122-1); M. subinflata (redrawn from Gooday 1981, Fig. 45A); M. wolferi (redrawn from Gooday 1981, Fig. 30A).	FIGURE 3. Carapace outlines (lateral and ventral) of males of all Metaconchoecia species redrawn at the same scale from the original species descriptions or redescriptions. M. acuta (redrawn from Gooday 1981, Fig 32A); M. alta (redrawn from Chavtur 2003, Fig. 22A); M. ampla (redrawn from Chavtur, 2003, Fig. 26A); M. australis (redrawn from Gooday 1981, Fig. 37H); M. crassiseta (redrawn from Chavtur 2003, Fig. 36A); M. discoveryi (redrawn from Gooday 1981, Fig. 20A); M. fowleri (redrawn from Gooday 1981, Fig. 11A), M. inflata inflata (redrawn from Gooday, 1981, Fig. 39A); M. inflata lata (redrawn from Chavtur 2003, Fig. 45A); M. obtusa (redrawn from Gooday, 1981, Fig. 23A); M. rotundata (redrawn from Gooday 1981, Fig. 43A); M. longiseta (redrawn from Chavtur 2003, Fig. 2D); M. skogsbergi (redrawn from Skogsberg 1920, Fig. 122-1); M. subinflata (redrawn from Gooday 1981, Fig. 45A); M. wolferi (redrawn from Gooday 1981, Fig. 30A).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC16FFDC6FDDF9EDA080FD5A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286595/files/figure.png	https://doi.org/10.5281/zenodo.5286595	FIGURE 5. Carapace outlines of females of the various forms of Muelleroecia macromma reported in the literature reproduced at identical scales. A, sensu strictu (Müller 1906a); B, M. sp.1 aff. C. macromma Deevey 1974; C, M. sp.2 aff. C. macromma Deevey 1982; D, M. sp.3 aff. C. macromma Poulsen 1973; E, M. sp.4 aff. C. macromma Angel 1981b.	FIGURE 5. Carapace outlines of females of the various forms of Muelleroecia macromma reported in the literature reproduced at identical scales. A, sensu strictu (Müller 1906a); B, M. sp.1 aff. C. macromma Deevey 1974; C, M. sp.2 aff. C. macromma Deevey 1982; D, M. sp.3 aff. C. macromma Poulsen 1973; E, M. sp.4 aff. C. macromma Angel 1981b.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC16FFDC6FDDF9EDA080FD5A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286601/files/figure.png	https://doi.org/10.5281/zenodo.5286601	FIGURE 7. Juryoecia distoglandula n. sp. Male (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A and B, Mandible, toothed edge of basale; C, Mandible, proximal and distal tooth lists; D, Mandible, toothed edge of coxale; E, Mandible, exopodite; F and G, Maxillae; H and I, Fifth limbs, left and right; scales in millimetres.	FIGURE 7. Juryoecia distoglandula n. sp. Male (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A and B, Mandible, toothed edge of basale; C, Mandible, proximal and distal tooth lists; D, Mandible, toothed edge of coxale; E, Mandible, exopodite; F and G, Maxillae; H and I, Fifth limbs, left and right; scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC16FFDC6FDDF9EDA080FD5A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286607/files/figure.png	https://doi.org/10.5281/zenodo.5286607	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC16FFDC6FDDF9EDA080FD5A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286597/files/figure.png	https://doi.org/10.5281/zenodo.5286597	FIGURE 6. Juryoecia distoglandula n. sp. Male (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A, Lateral view of right valve of carapace; B, First antenna; C, Details of the distal part of first antenna showing the two side arms on a-seta; D, The armature of the first antennal e-seta; E. Second antenna (not showing endopodite); F, Hook appendage of the endopodite of right second antenna; G, Hook appendage of the endopodite of left second antenna; H, Mandible; I, Tooth-lists and masticatory pad of mandible; scales in millimetres.	FIGURE 6. Juryoecia distoglandula n. sp. Male (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A, Lateral view of right valve of carapace; B, First antenna; C, Details of the distal part of first antenna showing the two side arms on a-seta; D, The armature of the first antennal e-seta; E. Second antenna (not showing endopodite); F, Hook appendage of the endopodite of right second antenna; G, Hook appendage of the endopodite of left second antenna; H, Mandible; I, Tooth-lists and masticatory pad of mandible; scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC1FFFC66FDDF8DDA36DFDD1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286607/files/figure.png	https://doi.org/10.5281/zenodo.5286607	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC1FFFC66FDDF8DDA36DFDD1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286587/files/figure.png	https://doi.org/10.5281/zenodo.5286587	FIGURE 3. Carapace outlines (lateral and ventral) of males of all Metaconchoecia species redrawn at the same scale from the original species descriptions or redescriptions. M. acuta (redrawn from Gooday 1981, Fig 32A); M. alta (redrawn from Chavtur 2003, Fig. 22A); M. ampla (redrawn from Chavtur, 2003, Fig. 26A); M. australis (redrawn from Gooday 1981, Fig. 37H); M. crassiseta (redrawn from Chavtur 2003, Fig. 36A); M. discoveryi (redrawn from Gooday 1981, Fig. 20A); M. fowleri (redrawn from Gooday 1981, Fig. 11A), M. inflata inflata (redrawn from Gooday, 1981, Fig. 39A); M. inflata lata (redrawn from Chavtur 2003, Fig. 45A); M. obtusa (redrawn from Gooday, 1981, Fig. 23A); M. rotundata (redrawn from Gooday 1981, Fig. 43A); M. longiseta (redrawn from Chavtur 2003, Fig. 2D); M. skogsbergi (redrawn from Skogsberg 1920, Fig. 122-1); M. subinflata (redrawn from Gooday 1981, Fig. 45A); M. wolferi (redrawn from Gooday 1981, Fig. 30A).	FIGURE 3. Carapace outlines (lateral and ventral) of males of all Metaconchoecia species redrawn at the same scale from the original species descriptions or redescriptions. M. acuta (redrawn from Gooday 1981, Fig 32A); M. alta (redrawn from Chavtur 2003, Fig. 22A); M. ampla (redrawn from Chavtur, 2003, Fig. 26A); M. australis (redrawn from Gooday 1981, Fig. 37H); M. crassiseta (redrawn from Chavtur 2003, Fig. 36A); M. discoveryi (redrawn from Gooday 1981, Fig. 20A); M. fowleri (redrawn from Gooday 1981, Fig. 11A), M. inflata inflata (redrawn from Gooday, 1981, Fig. 39A); M. inflata lata (redrawn from Chavtur 2003, Fig. 45A); M. obtusa (redrawn from Gooday, 1981, Fig. 23A); M. rotundata (redrawn from Gooday 1981, Fig. 43A); M. longiseta (redrawn from Chavtur 2003, Fig. 2D); M. skogsbergi (redrawn from Skogsberg 1920, Fig. 122-1); M. subinflata (redrawn from Gooday 1981, Fig. 45A); M. wolferi (redrawn from Gooday 1981, Fig. 30A).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC1FFFC66FDDF8DDA36DFDD1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286583/files/figure.png	https://doi.org/10.5281/zenodo.5286583	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC02FFC16FDDFF72A490FCF6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286587/files/figure.png	https://doi.org/10.5281/zenodo.5286587	FIGURE 3. Carapace outlines (lateral and ventral) of males of all Metaconchoecia species redrawn at the same scale from the original species descriptions or redescriptions. M. acuta (redrawn from Gooday 1981, Fig 32A); M. alta (redrawn from Chavtur 2003, Fig. 22A); M. ampla (redrawn from Chavtur, 2003, Fig. 26A); M. australis (redrawn from Gooday 1981, Fig. 37H); M. crassiseta (redrawn from Chavtur 2003, Fig. 36A); M. discoveryi (redrawn from Gooday 1981, Fig. 20A); M. fowleri (redrawn from Gooday 1981, Fig. 11A), M. inflata inflata (redrawn from Gooday, 1981, Fig. 39A); M. inflata lata (redrawn from Chavtur 2003, Fig. 45A); M. obtusa (redrawn from Gooday, 1981, Fig. 23A); M. rotundata (redrawn from Gooday 1981, Fig. 43A); M. longiseta (redrawn from Chavtur 2003, Fig. 2D); M. skogsbergi (redrawn from Skogsberg 1920, Fig. 122-1); M. subinflata (redrawn from Gooday 1981, Fig. 45A); M. wolferi (redrawn from Gooday 1981, Fig. 30A).	FIGURE 3. Carapace outlines (lateral and ventral) of males of all Metaconchoecia species redrawn at the same scale from the original species descriptions or redescriptions. M. acuta (redrawn from Gooday 1981, Fig 32A); M. alta (redrawn from Chavtur 2003, Fig. 22A); M. ampla (redrawn from Chavtur, 2003, Fig. 26A); M. australis (redrawn from Gooday 1981, Fig. 37H); M. crassiseta (redrawn from Chavtur 2003, Fig. 36A); M. discoveryi (redrawn from Gooday 1981, Fig. 20A); M. fowleri (redrawn from Gooday 1981, Fig. 11A), M. inflata inflata (redrawn from Gooday, 1981, Fig. 39A); M. inflata lata (redrawn from Chavtur 2003, Fig. 45A); M. obtusa (redrawn from Gooday, 1981, Fig. 23A); M. rotundata (redrawn from Gooday 1981, Fig. 43A); M. longiseta (redrawn from Chavtur 2003, Fig. 2D); M. skogsbergi (redrawn from Skogsberg 1920, Fig. 122-1); M. subinflata (redrawn from Gooday 1981, Fig. 45A); M. wolferi (redrawn from Gooday 1981, Fig. 30A).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC02FFC16FDDFF72A490FCF6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286581/files/figure.png	https://doi.org/10.5281/zenodo.5286581	FIGURE 1. Characteristics and measurements as defined in Table 1 and used in this paper A, Lateral carapace outline; B, Distal part of male first antenna; C, Distal part of female first antenna; D, Endopodite of male second antenna; E, Endopodite of female second antenna; F, Copulatory appendage.	FIGURE 1. Characteristics and measurements as defined in Table 1 and used in this paper A, Lateral carapace outline; B, Distal part of male first antenna; C, Distal part of female first antenna; D, Endopodite of male second antenna; E, Endopodite of female second antenna; F, Copulatory appendage.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC04FFCD6FDDF8D1A493FD64.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286607/files/figure.png	https://doi.org/10.5281/zenodo.5286607	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC04FFCD6FDDF8D1A493FD64.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286583/files/figure.png	https://doi.org/10.5281/zenodo.5286583	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC04FFCD6FDDF8D1A493FD64.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286595/files/figure.png	https://doi.org/10.5281/zenodo.5286595	FIGURE 5. Carapace outlines of females of the various forms of Muelleroecia macromma reported in the literature reproduced at identical scales. A, sensu strictu (Müller 1906a); B, M. sp.1 aff. C. macromma Deevey 1974; C, M. sp.2 aff. C. macromma Deevey 1982; D, M. sp.3 aff. C. macromma Poulsen 1973; E, M. sp.4 aff. C. macromma Angel 1981b.	FIGURE 5. Carapace outlines of females of the various forms of Muelleroecia macromma reported in the literature reproduced at identical scales. A, sensu strictu (Müller 1906a); B, M. sp.1 aff. C. macromma Deevey 1974; C, M. sp.2 aff. C. macromma Deevey 1982; D, M. sp.3 aff. C. macromma Poulsen 1973; E, M. sp.4 aff. C. macromma Angel 1981b.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC0BFFC86FDDFC70A099FED2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286595/files/figure.png	https://doi.org/10.5281/zenodo.5286595	FIGURE 5. Carapace outlines of females of the various forms of Muelleroecia macromma reported in the literature reproduced at identical scales. A, sensu strictu (Müller 1906a); B, M. sp.1 aff. C. macromma Deevey 1974; C, M. sp.2 aff. C. macromma Deevey 1982; D, M. sp.3 aff. C. macromma Poulsen 1973; E, M. sp.4 aff. C. macromma Angel 1981b.	FIGURE 5. Carapace outlines of females of the various forms of Muelleroecia macromma reported in the literature reproduced at identical scales. A, sensu strictu (Müller 1906a); B, M. sp.1 aff. C. macromma Deevey 1974; C, M. sp.2 aff. C. macromma Deevey 1982; D, M. sp.3 aff. C. macromma Poulsen 1973; E, M. sp.4 aff. C. macromma Angel 1981b.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC0BFFC86FDDFC70A099FED2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286583/files/figure.png	https://doi.org/10.5281/zenodo.5286583	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC0EFFF56FDDFB62A586FAC2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286583/files/figure.png	https://doi.org/10.5281/zenodo.5286583	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC0EFFF56FDDFB62A586FAC2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286595/files/figure.png	https://doi.org/10.5281/zenodo.5286595	FIGURE 5. Carapace outlines of females of the various forms of Muelleroecia macromma reported in the literature reproduced at identical scales. A, sensu strictu (Müller 1906a); B, M. sp.1 aff. C. macromma Deevey 1974; C, M. sp.2 aff. C. macromma Deevey 1982; D, M. sp.3 aff. C. macromma Poulsen 1973; E, M. sp.4 aff. C. macromma Angel 1981b.	FIGURE 5. Carapace outlines of females of the various forms of Muelleroecia macromma reported in the literature reproduced at identical scales. A, sensu strictu (Müller 1906a); B, M. sp.1 aff. C. macromma Deevey 1974; C, M. sp.2 aff. C. macromma Deevey 1982; D, M. sp.3 aff. C. macromma Poulsen 1973; E, M. sp.4 aff. C. macromma Angel 1981b.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC33FFF16FDDFF72A3F0FD54.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286597/files/figure.png	https://doi.org/10.5281/zenodo.5286597	FIGURE 6. Juryoecia distoglandula n. sp. Male (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A, Lateral view of right valve of carapace; B, First antenna; C, Details of the distal part of first antenna showing the two side arms on a-seta; D, The armature of the first antennal e-seta; E. Second antenna (not showing endopodite); F, Hook appendage of the endopodite of right second antenna; G, Hook appendage of the endopodite of left second antenna; H, Mandible; I, Tooth-lists and masticatory pad of mandible; scales in millimetres.	FIGURE 6. Juryoecia distoglandula n. sp. Male (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A, Lateral view of right valve of carapace; B, First antenna; C, Details of the distal part of first antenna showing the two side arms on a-seta; D, The armature of the first antennal e-seta; E. Second antenna (not showing endopodite); F, Hook appendage of the endopodite of right second antenna; G, Hook appendage of the endopodite of left second antenna; H, Mandible; I, Tooth-lists and masticatory pad of mandible; scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC33FFF16FDDFF72A3F0FD54.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286601/files/figure.png	https://doi.org/10.5281/zenodo.5286601	FIGURE 7. Juryoecia distoglandula n. sp. Male (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A and B, Mandible, toothed edge of basale; C, Mandible, proximal and distal tooth lists; D, Mandible, toothed edge of coxale; E, Mandible, exopodite; F and G, Maxillae; H and I, Fifth limbs, left and right; scales in millimetres.	FIGURE 7. Juryoecia distoglandula n. sp. Male (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A and B, Mandible, toothed edge of basale; C, Mandible, proximal and distal tooth lists; D, Mandible, toothed edge of coxale; E, Mandible, exopodite; F and G, Maxillae; H and I, Fifth limbs, left and right; scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC33FFF16FDDFF72A3F0FD54.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286603/files/figure.png	https://doi.org/10.5281/zenodo.5286603	FIGURE 8. Juryoecia distoglandula n. sp. Male. (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A and B, Sixth limbs, left and right; C, Seventh limb; D, Caudal furca; E, Copulatory appendage; scales in millimetres.	FIGURE 8. Juryoecia distoglandula n. sp. Male. (Paratype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia, IBM 2823, RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m), A and B, Sixth limbs, left and right; C, Seventh limb; D, Caudal furca; E, Copulatory appendage; scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC33FFF16FDDFF72A3F0FD54.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286607/files/figure.png	https://doi.org/10.5281/zenodo.5286607	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC33FFF16FDDFF72A3F0FD54.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286609/files/figure.png	https://doi.org/10.5281/zenodo.5286609	FIGURE 10. Juryoecia distoglandula n. sp. Female. (Holotype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000–6000m). A, Mandible; B, Mandible, toothed edge of basale; C, Mandible, toothed edge and the distal and proximal toothrows of coxale; D, Fifth limb; E, Left sixth limb; F, Right sixth limb; G, Seventh limb; H, Caudal furca; scales in millimetres.	FIGURE 10. Juryoecia distoglandula n. sp. Female. (Holotype, Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000–6000m). A, Mandible; B, Mandible, toothed edge of basale; C, Mandible, toothed edge and the distal and proximal toothrows of coxale; D, Fifth limb; E, Left sixth limb; F, Right sixth limb; G, Seventh limb; H, Caudal furca; scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC33FFF16FDDFF72A3F0FD54.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286583/files/figure.png	https://doi.org/10.5281/zenodo.5286583	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC3BFFFA6FDDFF72A310F801.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286607/files/figure.png	https://doi.org/10.5281/zenodo.5286607	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC3BFFFA6FDDFF72A310F801.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286583/files/figure.png	https://doi.org/10.5281/zenodo.5286583	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC3FFFE76FDDF9ECA068FE19.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286607/files/figure.png	https://doi.org/10.5281/zenodo.5286607	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	FIGURE 9. Juryoecia distoglandula n. sp. Female. A, Lateral view of carapace of holoytype (Museum of Zhirmunsky Institute of Marine Biology, Vladivostok, Russia (IBM 2822) RV Vityaz Cruise 39, Station 5612, 45°43’N, 153°25’E, depth 5000- 6000m) B, ventral view of carapace of holotype; C, ventral view of carapace of one paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000-7000m); D, and E, ventral and lateral view of the second female paratype (RV Vityaz Cruise 39, Station 5617; 45°49’N, 153°33’E; depth 6000–7000m), F, Posterior dorsal corner of carapace of holotype, showing the opening of the LAG; G, Capitulum of frontal organ of the holotype; H, Frontal organ and first antenna of the holotype, showing side arms on the a-, b-, c- and d-setae; I, Details of the distal end of the first antenna of the holotype, showing the side arms on the sensory a-, b-, c- and d-setae; J, Second antenna of holotype; K, Details of endopodite of the second antenna of the holotype (note b-seta is broken); scales in millimetres.	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC3FFFE76FDDF9ECA068FE19.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286583/files/figure.png	https://doi.org/10.5281/zenodo.5286583	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC22FFE26FDCFBB8A2B6FE22.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286583/files/figure.png	https://doi.org/10.5281/zenodo.5286583	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	FIGURE 2. Basal segments of the mandibles of eleven species in the tribe Metaconchoeciini, showing the variations in the extent to which the exopodite is developed; in some species there is a process on which a pappose seta is inserted (indicated by *), but in other species there is no process and only the seta is present. A, Juryoecia distoglandula; B, J. abyssalis; C*, Deeveyoecia bathyrotundata; D*, Rotundoecia teretivalvata; E, Clausoecia pusilla; F*, Vityazoecia goodayi; G*, Metaconchoecia crassiseta; H*, Kyrtoecia kyrtophora; I, Muelleroecia glandulosa; J*, Nasoecia nasotuberculata; L, Austrinoecia isocheira. (Note: the mandibles are not sexually dimorphic, so the sex of the specimen drawn does not have to be specified).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
03DC87FDEC22FFE26FDCFBB8A2B6FE22.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5286591/files/figure.png	https://doi.org/10.5281/zenodo.5286591	FIGURE 4. Comparisons between the carapace outlines (lateral and ventral, if available) of females of representative species of all the new genera. Nasoecia nasotuberculata (redrawn from Angel 1981, Fig 1a); Kyrtoecia kyrtophora (redrawn from Angel 1999, Fig. 4); Rotundoecia teretivalvata (redrawn from Angel 1981b, Fig. 194-88); Clausoecia pusilla (redrawn from Angel 1981b, Fig. 194-76); Austrinoecia isocheira (original drawing of specimen from Discovery station 9969#4 58° 56’.06’S; 20° 20.06’E, depth 1000-1250m, 22/02/1979); Deeveyoecia bathyrotundata (redrawn from Chavtur 1977c, Fig. 6a); Deeveyoecia aff. arcuata 1(Angel 1999, Fig 9.59); Vityazoecia lunata (original drawing, Polarstern station 114/4, 17/02/2002, 61° 43.59’S; 60° 42.52’W); Vityazoecia goodayi (redrawn from Chavtur 1987, Fig. 1); Juryoecia abyssalis (redrawn from Rudjakov 1962, Fig. 1A); Juryoecia distoglandula (see Fig. 8A); Muelleroecia glandulosa (redrawn from Angel 1981, Fig. 9.63); Muelleroecia aff. macromma 4 (redrawn from Angel 1999, Fig. 9.68).	FIGURE 4. Comparisons between the carapace outlines (lateral and ventral, if available) of females of representative species of all the new genera. Nasoecia nasotuberculata (redrawn from Angel 1981, Fig 1a); Kyrtoecia kyrtophora (redrawn from Angel 1999, Fig. 4); Rotundoecia teretivalvata (redrawn from Angel 1981b, Fig. 194-88); Clausoecia pusilla (redrawn from Angel 1981b, Fig. 194-76); Austrinoecia isocheira (original drawing of specimen from Discovery station 9969#4 58° 56’.06’S; 20° 20.06’E, depth 1000-1250m, 22/02/1979); Deeveyoecia bathyrotundata (redrawn from Chavtur 1977c, Fig. 6a); Deeveyoecia aff. arcuata 1(Angel 1999, Fig 9.59); Vityazoecia lunata (original drawing, Polarstern station 114/4, 17/02/2002, 61° 43.59’S; 60° 42.52’W); Vityazoecia goodayi (redrawn from Chavtur 1987, Fig. 1); Juryoecia abyssalis (redrawn from Rudjakov 1962, Fig. 1A); Juryoecia distoglandula (see Fig. 8A); Muelleroecia glandulosa (redrawn from Angel 1981, Fig. 9.63); Muelleroecia aff. macromma 4 (redrawn from Angel 1999, Fig. 9.68).	2011-04-29	Chavtur, Vladimir G.;Angel, Martin V.		Zenodo	biologists	Chavtur, Vladimir G.;Angel, Martin V.			
