Paromolopsis boasi Wood-Mason

Takeda, Masatsune, Ohtsuchi, Naoya & Komatsu, Hironori, 2021, Crabs (Crustacea, Decapoda) from the Sea off East and Southeast Asia collected by the RV Hakuhō Maru (KH- 72 - 1 Cruise) 1. Sulu Sea and Sibutu Passage, Bulletin of the National Museum of Nature and Science. Series A, Zoology 47 (2), pp. 65-97 : 77

Paromolopsis boasi Wood-Mason , in Wood-Mason and Alcock, 1891

( Fig. 11D )

Material examined. RV Hakuhō Maru KH-72-1 cruise, sta. 20 (Sibutu Passage; 05°40.9′N, 119°46.3′E – 05°43.1′N, 119°47.0′E; 460–514 m deep); otter trawl; 10 June, 1972; 1˂ ( CB 32.0 mm; CL 35.3 mm including rostrum) , NSMT-Cr 28968.

Remarks. This monotypic species of the genus Paromolopsis is rather well known as one of the representative deep-water crabs, and finely represented by Alcock (1901: Pl. 5 fig. 23). Then, this species was illustrated in color by Sakai (1976: Pl. 15 fig. 2), and photographed by Serène and Lohavanijaya (1973: Pl. 3 fig. D), Guinot and Richer de Forges (1981: Pl. 6 fig. 3), Miyake (1983: Pl. 5 fig. 4 in color), Guinot (1984: Pl. 3 fig. A), Davie and Short (1989: Fig. 1C ), Ng et al. (2001: Fig. 1b in color), Ahyong et al. (2009: Fig. 82 in color), Ng and Richer de Forges (2017: Fig. 24H in color), Guinot and Richer de Forges (1995: Fig. 18f, g), Padate et al. (2020: Fig. 3k ), and Richer de Forges and Ng (2020: Fig. 1E ).

Distribution. Widely distributed in the Indo-West Pacific waters from Japan to Madagascar through the western Pacific and eastern Indian Oceans; 280–1,380 m deep.

Figures

Fig. 11. A–C: Urashima pustuloides (Sakai, 1961), male (NSMT-Cr 28971. CB 42.4mm including lateral teeth; CL 35.7mm in median line). Habitus in dorsal view (A), carapace in frontal view (B), and pleon (C). D: Paromolopsis boasi Wood-Mason, 1891, female (NSMT-Cr 28968. CB 32.0mm; CL 35.3mm including rostrum). Habitus in dorsal view.

Fig. 1. Track chart of the RV Hakuhō Maru cruise KH-72-1, after Fig. 1 in the Preliminary Report of the Hakuhō Maru Cruise KH-72-1 (CSK, IBP) (Ocean Research Institute, University of Tokyo, 1975).

Fig. 3. Cymonomus suluensis sp. nov., female, holotype (NSMT-Cr 28965. CB 5.1mm; CL 6.9mm including rostrum). Carapace in dorsal view (A), right front-orbital region in dorsal view (B), left front-orbital region in lateral view (C), left cheliped in upper and outer views (D–E), and left ambulatory leg in dorsal view (F). Scale bars=2mm.