Pincerna difficilis (Godwin-Austen, 1914)

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

publication ID	https://dx.doi.org/10.3897/zookeys.981.53583
publication LSID	lsid:zoobank.org:pub:5194AAC8-6B8A-473F-8A41-470A60182A0B
persistent identifier	https://treatment.plazi.org/id/6262B508-ACA5-5F19-8BDC-1CF77E602B2E
treatment provided by	ZooKeys by Pensoft
scientific name	Pincerna difficilis (Godwin-Austen, 1914)
status

Treatment

Alycaeus (Cycloryx) difficilis Godwin-Austen, 1914: 415-416, pl. 155, figs 2, 2a.

Alycaeus (Cycloryx) difficilis - Gude 1921: 278-279.

Type locality.

"Shan Hills".

Material examined.

Shan States, leg. Fedden, NHMUK 1906.5.5.22 (2 syntypes).

Remarks.

Protoconch matte, no spiral lines visible; R1 with widely spaced, strong, sharp, regular ribs and much weaker riblets between the main ribs; R2 extremely short, the few (ca. five) ribs are somewhat elevated from the surface.