Stomacosmethis sadongensis (E. A. Smith, 1895)

Pall-Gergely, Barna, Sajan, Sheikh, Tripathy, Basudev, Meng, Kaibaryer, Asami, Takahiro & Ablett, Jonathan D., 2020, Genus-level revision of the Alycaeidae (Gastropoda, Cyclophoroidea), with an annotated species catalogue, ZooKeys 981, pp. 1-220 : 1

Stomacosmethis sadongensis (E. A. Smith, 1895) Fig. 45C

Alycaeus (Orthalycaeus) sadongensis E. A. Smith, 1895: 117, pl. 3, fig. 27.

Alycaeus (Alycaeus) sadongensis - Kobelt 1902: 350-351.

Type locality.

"Sadong, Sarawak".

Material examined.

Sadong, Sarawak, NHMUK 1893.6.7.73-76 (4 syntypes).

Remarks.

Protoconch elevated, matte, without spiral striation; R1 with dense, regular, rather low riblets and very weak spiral striae; R2 very short, with 6-7 darker/thicker stripes and very narrow/light stripes in-between, the ribs are very slightly elevated from the surface.

Figures

Figure 45. Shells of Stomacosmethis Bollinger, 1918 species A S. praetextus (van Benthem Jutting, 1959), paratype (SMF 186532) B S. rimatus (O. Boettger, 1893), lectotype (SMF 109315) C Stomacosmethis sadongensis (E. A. Smith, 1895), syntype (NHMUK 1893.6.7.73 - 76). Photographs: Barna Pall-Gergely, courtesy Ronald Janssen (A, B), Harold Taylor (C).