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Fig. 24. General habitus, Holthuija species. A in Revision of the spider crab genus Maja Lamarck, 1801 (Crustacea: Brachyura: Majoidea: Majidae), with descriptions of seven new genera and 17 new species from the Atlantic and Indo-West Pacific

Fig. 24. General habitus, Holthuija species. A, Holthuija miersi (as Maia miersii, after Walker, 1887: pl. 6, fig. 1); B, H. miersi, male (32.6 × 25.6 mm) (ZRC 2000.1497), Singapore; C, H. miersii, female (16.5 × 12.2 mm) (ZRC 1995.311), Singapore; D, H. miersii, female (21.4 × 16.7 mm) (NHM 1900.10.22.13), Singapore; E, H. suluensis, holotype female (32.4 × 41.2 mm) (USNM 48224a), Philippines; F, H. pauli n. sp., holotype male (37.3 × 28.0 mm) (NMCR), Philippines.

Fig. 30. General habitus, Sakaija serenei n in Revision of the spider crab genus Maja Lamarck, 1801 (Crustacea: Brachyura: Majoidea: Majidae), with descriptions of seven new genera and 17 new species from the Atlantic and Indo-West Pacific

Fig. 30. General habitus, Sakaija serenei n. sp. A, paratype male (14.3 × 10.9 mm) (ZRC 2013.1255), Philippines; B, paratype male (17.7 × 14.6 mm) (ZRC 2013.1262), Philippines; C, holotype male (17.4 × 14.7 mm) (NMCR), Philippines; D, paratype female (14.2 × 10.9 mm) (ZRC 2013.1255), Philippines.

Fig. 29. General habitus, Sakaija africana. A in Revision of the spider crab genus Maja Lamarck, 1801 (Crustacea: Brachyura: Majoidea: Majidae), with descriptions of seven new genera and 17 new species from the Atlantic and Indo-West Pacific

Fig. 29. General habitus, Sakaija africana. A, as Maja africana (after Griffin & Tranter, 1986: pl. 14a); B, male (27.3 × 21.2 mm) (MNHN-IU-2010-504), Madagascar; C, male (32.2 × 25.4 mm) (MNHN-IU-2010-928), Madagascar; D, ovigerous female (23.8 × 18.4 mm) (MNHN-IU-2010-505), Madagascar.

Fig. 37 in Revision of the spider crab genus Maja Lamarck, 1801 (Crustacea: Brachyura: Majoidea: Majidae), with descriptions of seven new genera and 17 new species from the Atlantic and Indo-West Pacific

Fig. 37. Frontal regions of carapaces. A, Paramaya spinigera, male (85.0 × 66.4 mm) (ZRC 1999.738), Taiwan; B, Paramaya ouch n. sp., holotype male (76.8 × 60.0 mm) (NMCR), Philippines; C, Paramaya coccinea n. sp., holotype male (69.0 × 55.6 mm) (MNHN), Vanuatu; D, Holthuija miersi, male (32.6 × 25.6 mm) (ZRC 2000.1497), Singapore; E, Holthuija miersii, male (22.3 × 16.5 mm) (CBM ZC4001), Singapore; F, Holthuija suluensis, holotype female (32.4 × 41.2 mm) (USNM 48224a), Philippines; G, Holthuija pauli n. sp., holotype male (37.3 × 28.0 mm) (NMCR), Philippines; H, Holthuija cognata n. sp., holotype male (29.5 × 23.7 mm) (CBM-ZC3662), Japan; I, Holthuija aussie n. sp., holotype ovigerous female (42.1 × 34.4 mm) (NMV J63752), Arafura Sea; J, Holthuija poorei n. sp., paratype female (27.0 × 22.5 mm) (NMV J63751), Arafura Sea; K, Sakaija japonica, male (22.3 × 17.8 mm) (ZRC 2013.1267), Taiwan; L, Sakaija africana, male (32.2 × 25.4 mm) (MNHN-IU-2010-928), Madagascar; M, Sakaija serenei n. sp., holotype male (17.4 × 14.7 mm) (NMCR), Philippines; N, Sakaija longispinosa n. sp., holotype ovigerous female (11.4 × 8.6 mm) (NMV J63792), Australia; O, Sakaija santo n. sp., holotype male (9.4 × 6.6 mm) (MNHN), Vanuatu.

Fig. 31 in Revision of the spider crab genus Maja Lamarck, 1801 (Crustacea: Brachyura: Majoidea: Majidae), with descriptions of seven new genera and 17 new species from the Atlantic and Indo-West Pacific

Fig. 31. Frontal and lateral views of carapaces, and right first ambulatory legs, Sakaija species. A–C, S. japonica male (22.6 × 17.9 mm) (ZRC 2013.1269), Taiwan; D–F, S. serenei n. sp., paratype male (17.7 × 14.6 mm) (ZRC 2013.1262), Philippines.

Fig. 36 in Revision of the spider crab genus Maja Lamarck, 1801 (Crustacea: Brachyura: Majoidea: Majidae), with descriptions of seven new genera and 17 new species from the Atlantic and Indo-West Pacific

Fig. 36. Frontal regions of carapaces. A, Maja squinado, neotype male (147.1 × 126.3 mm) (SMF-4548), Croatia; B, Maja brachydactyla, male (98.4 × 89.0 mm) (ZRC 2009.1130), U.K.; C, Maja brachydactyla, male (161.2 × 140.1 mm) (ZRC 2008.0179), Spain; D, Maja cornuta, male (115.3 × 103.4 mm) (ZRC 2013.1184), South Africa; E, Maja crispata, male (63.1 × 51.9 mm) (MNHN-IU-2013-4042), Italy; F, Neomaja goltziana, male (73.4 × 65.0 mm) (MNHN-IU-2013-4046), Congo; G, Paramaja kominatoensis, dried male (62.6 × 56.1 mm) (KPM NH0104298), Japan; H, Paramaja kominatoensis, dried male (73.0 × 66.0 mm) (PCM), Taiwan; I, Paramaja gibba, male (79.5 × 77.9 mm) (ZRC 2013.1232), Bay of Bengal; J, Paramaja turgida n. sp., holotype male (74.1 × 66.8 mm) (NMCR), Philippines; K, Paramaja turgida n. sp., paratype male (67.9 × 60.5 mm) (MNHN), Philippines; L, Alcomaja desmondi n. sp., holotype male (35.4 × 28.3 mm) (NMCR), Philippines; M, Alcomaja nagashimaensis, male (30.5 × 26.0 mm) (ZRC 2001.430), Philippines; N, Alcomaja latens n. sp., holotype male (25.3 × 21.4 mm) (MNHN-IU-2013-4050), Solomon Islands; O, Alcomaja miriky n. sp., holotype male (26.4 × 20.9 mm) (MNHN-IU-2010-929), Madagascar.

FIG. 33. — A in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 33. — A, Ethusa granulosa Ihle, 1916, cl 14.7 mm, cw 14.6 mm, Vanuatu, west coast of Malekula, MUSORSTOM 8, stn DW 1061, 458-512 m (MNHN-B 28698) (photograph by J.-L. Menou, IRD, Nouméa); B, Ethusa hawaiiensis Rathbun, 1906, cl 6.7 mm, cw 6.2 mm, Vanuatu, S of Anatom, MUSORSTOM 8, stn CP 963, 400-440 m (MNHN-B 28538) (photograph by J.-L. Menou, IRD, Nouméa); C, Ethusa indica Alcock, 1894, cl 7.8 mm, cw 7.8 mm, Vanuatu, SE of Éfaté, MUSORSTOM 8, stn CP 1036, 920-950 m (MNHN-B 28560) (photograph by J.-L. Menou, IRD, Nouméa); D, Ethusina challengeri (Miers, 1886), cl 25.9 mm, Mid-Indian Basin, SAFARI 2, stn 35, trawl CP 29, 4950-4928 m (MNHN-B 28697) (photograph by P. Briand, IFREMER); E, Ethusina macrospina Ng & Ho, 2003, cl 10.4 mm, cw 11.0 mm, Taiwan, off southwest coast, TAIWAN 2003, stn CD 203, 635-868 m (NTOU) (photograph by T.-Y. Chan, NTOU).

FIG. 31. — Ethusina isolata n in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 31. — Ethusina isolata n. sp.; A, holotype cl 9.2 mm, cw 9.2 mm, Hawaiian Islands, Kauai, Albatross, stn 4028, 812-873 m (USNM 29933), dorsal surface of carapace and P2; B, paratype, 6.3 mm, cw 5.9 mm, Hawaiian Islands, Kauai, Albatross, stn 4132, 470-573 m (USNM 29934), left G1 ventral view with G2 in situ (left), dorsal view (right). Scale bars: A, 5 mm; B, 1 mm.

FIG. 29. — Ethusina huilianae n in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 29. — Ethusina huilianae n. sp., holotype cl 12.7 mm, cw 13.0 mm, French Polynesia, Marquesas Islands, Eiao, MUSORSTOM 9, stn CP 1277, 1000-1100 m (MNHN-B 28727).

FIG. 26. — Ethusina stenommata n in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 26. — Ethusina stenommata n. sp., holotype cl 12.0 mm, cw 11.1 mm, Wallis and Futuna Islands, Tuscarora Bank, MUSORSTOM 7, stn CP 564, 1015-1020 m (MNHN-B 28731); A, dorsal surface of carapace and P2; B, ventral view of anterior surface of carapace; C, right G1, ventral views. Scale bars: A, 5 mm; B, 2 mm; C, 1 mm.

FIG. 24 in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 24. — Ethusina pubescens Chen, 1993, holotype cl 9.6 mm, cw 9.6 mm, Chesterfield Islands, Coriolis Bank, MUSORSTOM 5, stn CP 323, 970 m (MNHN-B 19060), left G1, ventral view. Scale bar: 1 mm.

FIG. 25 in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 25. — Ethusina robusta (Miers, 1886); A, lectotype cl 10.0 mm, cw 10.1 mm, Challenger, stn 191, Arafura Sea, 1463 m (BMNH 84.44), dorsal surface of carapace and P2; B, C, cl 8.6 mm, cw 8.2 mm, Solomon Islands, east of Malaita, SALOMON 1, stn CP 1764, 1327-1598 m (MNHN-B 28712); B, left G1, dorsal view; C, left G2, dorsal view. Scale bars: A, 5 mm; B, C, 1 mm.

FIG. 23. — Ethusina ocellata n in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 23. — Ethusina ocellata n. sp., holotype cl 5.9 mm, cw 5.9 mm, Solomon Islands, west of Malaita, SALOMON 1, stn CP 1783, 399-700 m (MNHN-B 28708); A, dorsal surface of carapace; B, ventral view of anterior portion of body; C, left G1, ventral view. Scale bars: A, 3 mm; B, 2 mm; C, 1 mm.

FIG. 21. — Ethusina exophthalma n in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 21. — Ethusina exophthalma n. sp., holotype cl 7.1 mm, cw 6.9 mm, Fiji, Bligh Water between Viti Levu and Vanua Levu islands, MUSORSTOM 10, stn CP 1331, 694-703 m (MNHN-B 28710); A, dorsal surface of carapace; B, ventral view of anterior portion of body; C, left G1, ventral view; D, left G2, ventral view. Scale bars: A, 5 mm; B, 2 mm; C, D, 1 mm.

FIG. 22 in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 22. — Geographical distribution of Ethusina gracilipes (Miers, 1886) (G) and Ethusina robusta (Miers, 1886) (●).

FIG. 20 in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 20. — Ethusina desciscens (Alcock, 1896), cl 7.2 mm, cw 7.4 mm, Madagascar, off northwest coast, Vauban, stn CH 142, 1250-1300 m (MNHN-B 18277); A, left G1, dorsal view; B, left G2, ventral view. Scale bars: 1 mm.

FIG. 18. — Ethusina ciliacirrata n in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 18. — Ethusina ciliacirrata n. sp., holotype cl 12.0 mm, cw 11.8 mm, Vanuatu, NW of Espiritu Santo, MUSORSTOM 8, stn CP 1111, 1210-1250 m (MNHN-B 27518); A, dorsal surface of carapace, P2, and P4; B, left G1, ventral view. Scale bars: A, 5 mm; B, 1 mm.

FIG. 15 in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 15. — Ethusa zurstrasseni Doflein, 1904, holotype cl 7.2 mm, cw 6.8 mm, southern Somalia, Deutsche Tiefsee Expedition, Valdivia, stn 254, 977 m (ZMB 13629), right G1, distal part, ventrolateral (left) and dorsolateral (right) views. Scale bar: 1 mm.

FIG. 19. — Ethusina coronata n in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 19. — Ethusina coronata n. sp., holotype cl 12.1 mm, cw 12.0 mm, Solomon Islands, Indispensable Strait west of Malaita, SOLOMON 1, stn CP 1764, 1327-1598 m (MNHN-B 28734); A, dorsal surface of carapace and P2; B, right G1, ventrolateral (left) and dorsal (right) views. Scale bars: A, 5 mm; B, 1 mm.

FIG. 14 in Crabs of the subfamily Ethusinae Guinot, 1977 (Crustacea, Decapoda, Brachyura, Dorippidae) of the Indo-West Pacific region

FIG. 14. — Ethusa orientalis Miers, 1886, lectotype cl 15.7 mm, cw 15.1 mm, Fiji, E of Kadavu, Challenger, stn 173A, 567 m (BMNH 84-44); A, dorsal surface of carapace; B, left G1, ventral (left) and dorsal (right) views; C, right G2, dorsal view. Scale bars: A, 3 mm; B, C, 2 mm.