Stomacosmethis dohrni (O. Boettger, 1893)

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 dohrni (O. Boettger, 1893) Fig. 42B

Alycaeus hochstetteri (partim) - E. von Martens, 1867: 152.

Alycaeus dohrni - Boettger 1893: 195-196.

Alycaeus (Alycaeus) dohrni - Kobelt 1902: 343; Zilch 1957: 146-147, pl. 6, fig. 28.

Type locality.

“Borneo”.

Material examined.

Borneo, leg. H. Dohrn 1889, coll. O. Boettger, SMF 109278 (lectotype, designated by Zilch 1957); Same data, SMF 109279 (paralectotype).

Remarks.

Protoconch very finely granulated, without spiral striae; R1 with irregular, rather strong ribs with very slight indication of spiral striation; R2 very short, with alternating darker/thicker and lighter/slimmer stripes; lighter stripes are somewhat elevated from the surface, the entire area is finely wrinkled.

Figures

Figure 42. Shells of Stomacosmethis Bollinger, 1918 species A Stomacosmethis congener (E. A. Smith, 1895), syntype (NHMUK 1892.7.20.30 - 32) B Stomacosmethis dohrni (O. Boettger, 1893), lectotype (SMF 109278). Figures: Barna Pall-Gergely, courtesy Ronald Janssen (B) and Harold Taylor (A).