Dicharax (?) tsushimanus (Pilsbry & Y. Hirase, 1909)

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/39131C38-5D09-573B-B11E-28D8ABD16396
treatment provided by	ZooKeys by Pensoft (2020-10-29 22:48:38, last updated 2024-11-25 21:42:09)
scientific name	Dicharax (?) tsushimanus (Pilsbry & Y. Hirase, 1909)
status

Treatment

Alycaeus (Metalycaeus) tsushimanus Pilsbry & Y. Hirase, 1909a: 586-587.

Chamalycaeus tsushimanus - Azuma 1982: 11, pl. 4, fig. 38; Minato 1988: 15.

Type locality.

"Tsushu, Tsushima".

Material examined.

ANSP 95737 (lectotype, designated by Baker 1964, photographs examined); 長崎縣 1壹岐神社 (Nagasaki-ken, Iki-jinja = Nagasaki Prefecture, Iki Shrine), Sakura coll., NSMT-Mo 79100 (2 shells).

Remarks.

Protoconch relatively low, very finely granulated, moderately glossy; R2 with ca. 22 low, blunt, irregular ribs which are connected to each other near the tube but are free further away from there; distance between ribs at edge of body whorl less than the a rib width; no spiral lines are visible on the teleoconch.

References

Azuma, M, 1982. Colored Illustrations of the Land Snails of Japan. Hoikusha, Osaka, [xv +] 333 pp. [pls 1-64]

Baker, B, 1964. Type land snails in the Academy of Natural Sciences of Philadelphia Part III. Limnophile and Thalassophile Pulmonata Part IV. land and fresh-water Prosobranchia. Proceedings of the Academy of Natural Sciences of Philadelphia 116: 149 - 193

Minato, H, 1988. A systematic and bibliographic list of the Japanese land snails. H. Minato, Shirahama X