Pannychia moseleyi Théel, 1882

O’Loughlin, P. Mark, Mackenzie, Melanie & VandenSpiegel, Didier, 2013, New sea cucumber species from the seamounts on the Southwest Indian Ocean Ridge (Echinodermata: Holothuroidea: Aspidochirotida, Elasipodida, Dendrochirotida), Memoirs of Museum Victoria 70, pp. 37-50 : 43

Pannychia moseleyi Théel, 1882

Synonymy (excluding Hansen, 1975, synonyms). Pannychia moseleyi Théel, 1882: 88–90 , pl. 17 figs 1–2, pl. 32 figs 1–13.— Mitsukuri, 1912: 207–212, fig. 38.— Ohshima, 1915: 235–236, pl. 8 figs a, b.— Djakonov, Baranova and Savel’eva, 1958: 360.— Pawson, 1965: 22.— Pawson, 1970: 53.— Hansen, 1975: 72–75, fig. 26.— Cherbonnier and Féral, 1981: 365–366, fig. 5A–I.

Lectotype (designated in this work). Syntype, Australian continental slope off Sydney, 34º8'S 152º0'E, 1739 m, at Challenger stn 164, NHMUK (18)83.6.18.52.

Paralectotype (designated in this work). Syntype, New Zealand, off East Cape on the North Island of New Zealand, 37º34'S 179º22'E, 1281 m, Challenger stn 169, NHMUK (18)83.6.18.53 .

Material examined. Tasman Sea, off New South Wales, Wanganella Bank, 521–1008 m, NMV F94007, NMV F94008, NMV F98046, NMV F98059, NMV F98695, NMV F98469; S. Norfolk Ridge, 469 m, NMV F98477; off Tasmania. Cascade Seamounts, 600–1000 m, NMV F136931, NMV F136933, NMV F136934, NMV F136935, NMV F136937. New Zealand, Challenger plateau, 526–575 m, NIWA 30721, NIWA 30722, NIWA 30685; Chatham Rise, 532 m, NIWA 30636.

Description of lectotype (from Théel, 1882; see table 1). Up to about 200 mm long, 40 mm wide, subcylindrical dorsally and laterally, flat ventrally; mouth anterior, ventral, anus posterior, terminal; 20 tentacles; single series of 29–30 tube feet on each lateroventral ambulacrum, irregular double series of 55 smaller tube feet midventrally; irregular series of up to 100 long to very short dorsolateral and lateral papillae, biggest up to 20 mm long, bare middorsally; calcareous ring rudimentary, fragile, spongy; ossicles large and small wheels; large wheels up to 240 µm diameter, 11–13 outer spokes, 4 inner spokes, lobes/teeth between bases of spokes wide; small wheels 52 µm long.

Colour. Preserved: white grey; dark violet dorsally; ends of papillae whitish; ends of tentacles and tube feet yellowish.

Remarks. Théel (1882) described his new genus and species P. moseleyi for two specimens. Based on the inner spoke numbers noted by Théel (1882), in our experience diagnostically reliable, we judge that the larger syntype from off Sydney that is in fairly good condition (Challenger stn 164) is probably not conspecific with the smaller very damaged syntype from off New Zealand (Challenger stn 169). We designate the Challenger stn 164 syntype as the lectotype (NHMUK (18)83.6.18.52).