Platymaia maoria Dell, 1963

Ahyong, Shane T., 2008, Deepwater crabs from seamounts and chemosynthetic habitats off eastern New Zealand (Crustacea: Decapoda: Brachyura), Zootaxa 1708 (1), pp. 1-72 : 37

Platymaia maoria Dell, 1963

( Fig. 16D )

Platymaia maoria Dell, 1963a: 247–251 , figs 4–13 [type locality: ENE of Poor Knights Is., New Zealand]. — Griffin 1966: 24. — Dell 1968c: 238. — Guinot & Richer de Forges 1986: 109–112, fig. 9A–D, 10E–F, pl. 4: fig. A–B. — McLay 1988: 108–110, fig. 23. — Davie & Short 1989: 177, fig. 3C. — Takeda in Amaoka et al. 1990: 365. — Davie 2002: 296. — Naylor et al. 2005: 23. — Ahyong et al. 2007: 151.

Material examined. Main Cavalli Seamount: NIWA 3590 , 2 damaged specimens, 34°04.32’S, 174°04.08’E, 630– 560 m, KAH0204/21, 16 Apr 2002 ; NIWA 3591 , 1 male (cl 8.4 mm), 34°07.21’S, 174°05.64’E, 554– 540 m, KAH0204/27, 16 Apr 2002 ; NIWA 3592 , 1 female (cl 18.3 mm), 34°04.46’S, 174°04.29’E, 622– 590 m, KAH0204/18, 15 Apr 2002 .

Knights Terrace: NIWA 14191 , 1 ovigerous female (cl 55.8 mm), 34°57.61–57.63’S, 175°10.78–10.06’E, 581– 553 m, KAH0204/02, 13 Apr 2002 ; NIWA 3589 , 1 male (cl 8.9 mm), 34°57.81–57.44’S, 175°12.64– 12.63’E, 614– 602 m, KAH0204/01, 13 Apr 2002 .

Remarks. Platymaia maoria is the only species of the genus presently known from off mainland New Zealand, though P. wyvillethomsoni Miers, 1886 , was recently reported from the Kermadec Islands ( Takeda & Webber 2006).

Distribution. Southern Australia and New Zealand, from Challenger Plateau, off Poor Knights Islands and the Cavalli seamounts; 270–950 m (Ahyong et al. 2007; this study).

Figures

FIGURE 16. Carapace. A, Cyrtomaia cornuta Richer de Forges & Guinot, 1995, male, cl 46.9 mm (NIWA 14182), dorsal view. B–C, Dorhynchus ramusculus (Baker, 1906), male, cl 13.3 mm (NIWA 9941), right lateral and dorsal views. D, Platymaia maoria Dell, 1963, ovigerous female, cl 55.8 mm (NIWA 14191). E, Vitjazmaia latidactyla Zarenkov, 1994, ovigerous female, cl 72.0 mm (NIWA 16800).