Chmamalycaeus canaliculatus ( Moellendorff , 1894)

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

Chmamalycaeus canaliculatus ( Moellendorff, 1894)

Alycaeus canaliculatus Möllendorff, 1894: 154-155, pl. 16, figs 22, 23.

Alycaeus (Chamalycaeus) canaliculatus - Kobelt 1902: 353.

Chamalycaeus (Chamalycaeus) canaliculatus - Zilch 1957: 142, pl. 5, fig. 4.

Dicharax canaliculatus - Páll-Gergely 2017: 25, fig. 15C.

Type locality.

"Samui Islands, Gulf of Siam" (from the title).

Material examined.

Golf von Siam: Koh-Samui, coll. Möllendorff, SMF 109468 (lectotype, designated by Zilch 1957); Same data, SMF 109469 (4 paralectotypes).

Remarks.

Protoconch low, rather matte, very finely granulated, without spiral lines; R1 densely, rather regularly ribbed, the ribs are quite sharp, there is a hardly visible spiral striation between each of the ribs; R2 short, with ribs curved towards the aperture.