Scaptognathus peregrinus Bartsch, 1993

Scaptognathus peregrinus Bartsch, 1993

Diagnosis. Glp-1 anterior to Ds-1. Ds-2 on membranous cuticle. PE with 1 dorsal seta. GA fully sclerotized in male. Male with ca.32 Pgs and 8 Sgs. Tr I–IV with 1-1-1-1 setae; Bf I–IV with 1-1-1-1 setae; Tf I–IV with 4-4-3-3 setae, 1-1-0-0 Bp setae; Gn I–IV with 4-4-3-3 setae, without Bp setae; Tb I–IV with (8,9)-5-6-6 setae, (5,6)-2-3-3 Bp setae; Ta I–IV with 3-3-4(?)-3 dorsal setae, 1-1-0-0 Bp setae. Lc I with unidentate long accessory process. Idiosoma length 297 in male ( holotype). Gnathosoma length 140 in male ( holotype). Gnathosoma width 107 in male ( holotype). Ratio of gnathosoma to idiosoma 0.47.

Remarks. The species differs from congeners in having a wide lamellar rostrum and a gnatho-idiosomal articulation on the dorsal flank of the gnathosoma . A single male is known.

Habitat. Littoral zone: Sediment at 1.5 m depth.

Distribution. Indian Ocean: Rottnest Is. [ Australia].

References. Abé & Green (1994), Bartsch (1993a).

Depository. WAMP.