Scaptognathus punctatus Bartsch, 1981

Scaptognathus punctatus Bartsch, 1981

Diagnosis. Glp-1 same level as Ds-1. Ds-2 on membranous cuticle. PE without dorsal seta. GA bipartite in female and male. Female with 4 Pgs and 2 Sgs. Male with 19 Pgs and 6 Sgs. Tr I–IV with 1-1-1-1 setae; Bf I–IV with 1-1-?-1 setae; Tf I–IV with 6-5-?-1 setae, 3-2-0-0 Bp setae; Gn I–IV with 5-4-?-3 setae, 2-1-0-0 Bp setae; Tb I–IV with 9-5-?-6 setae, 5-2-3-3 Bp setae; Ta I–IV with 3-3-?-3 dorsal setae, 1-1-0-0 Bp setae. Lc I with unidentate accessory process. Idiosoma length 246 in male ( holotype). Idiosoma width 177 in male ( holotype). Gnathosoma length 207 in male ( holotype). Gnathosoma width 107 in male ( holotype). Ratio of gnathosoma to idiosoma 0.84.

Remarks. The species belongs to the group with a single Bp seta on Ta II. The characteristics of the species are: 4 Pgs in femlae, Tf I–IV with 3-2-0-0 Bp setae, and Tb I–IV with 5-2-3-3 Bp setae. Male and female are known.

Habitat. Sublittoral–Bathyal zones: Coral sands and Thalassodendron (Monocotyledon) at 18–440 m depth.

Distribution. Indian Ocean: 12°25’S, 46°16’E (Zélée-Bank); 11°24’S, 47°22’E ( Mozambique Channel) [ Mozambique].

References. Abé (1990c), Abé & Green (1994), Bartsch (1981a, 1982c, 1988a, 1994b), Chatterjee & Sarma (1991).

Depository. MNHNP.