Metalycaeus satsumanus awaensis (Pilsbry & Y. Hirase, 1904)

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/4B25B40B-E359-5AE7-A94E-2B14A24A0C74
treatment provided by	ZooKeys by Pensoft
scientific name	Metalycaeus satsumanus awaensis (Pilsbry & Y. Hirase, 1904)
status

Treatment

Alycaeus awaensis Pilsbry & Y. Hirase, 1904a: 117.

Chamalycaeus awaensis - Azuma 1982: 11, pl. 3, fig. 34.

Chamalycaeus satsumanus awaensis - Minato 1988: 14.

Metalycaeus satsumanus awaensis - Páll-Gergely and Asami 2017: 4.

Type locality.

"Hiyama, Awa, Island of Shikoku".

Material examined.

Hiyama, Awa, leg. Hirase, 1903, ANSP 84958 (lectotype, designated by Baker 1964, photographs examined).

Remarks.

Protoconch moderately elevated, very finely granulated, the last 0.5 whorl with fine spiral striae; R2 with 18-20 ribs; the ribs are widely spaced even near the tube; at the edge of the body whorl the gap between the ribs is ca. as wide as a rib itself; the first 0.75-1 whorl of R1 has clearly visible spiral striae.