Stomacosmethis sarasinorum (Bollinger, 1918)

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 sarasinorum (Bollinger, 1918) Fig. 39C

Alycaeus (Stomacosmethis) sarasinorum Bollinger, 1918: 316-317, pl. 11, figs 4, 5, 8.

Alycaeus (Stomacosmethis) sarasinorum - Egorov 2013: 34, figs 60a, b.

Type locality.

"Malawa-Quelle: nördl. des Bowonglangi in S.-Celebes".

Material examined.

Malawa-Quelle, Celebes, don.: Dr. P. u. F. Sarasin, 1918, NHMB 2411.a (lectotype [designated in Egorov 2013]; photographs examined).

Remarks.

Protoconch matte, without notable sculpture; R1 with fine, regular, low ribs and weaker spiral striation; R2 extremely short, with slightly elevated, white ribs. No operculum was found.

Figures

Figure 39. Type species of alycaeid genus-group taxa A Pincerna constricta (Benson, 1851), syntype (NHMUK 1906.4.4.41; type species of Cycloryx) B Pincerna liratula (Preston, 1907), syntype (NHMUK 1907.5.20.191; type species of Pincerna) C Stomacosmethis sarasinorum (Bollinger, 1918), lectotype (NHMB 2411. a; type species of Stomacosmethis). Photographs: Harold Taylor (A, B); Eduard Stoeckli (C).