Dicharax (?) oshimanus (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/B3C1D4BD-F4DA-5F08-AE85-5D2D5A1E15F9
treatment provided by	ZooKeys by Pensoft (2020-10-29 22:48:38, last updated 2024-11-25 21:42:09)
scientific name	Dicharax (?) oshimanus (Pilsbry & Y. Hirase, 1904)
status

Treatment

Alycaeus oshimanus Pilsbry & Y. Hirase, 1904b: 7-8.

Chamalycaeus oshimanus - Azuma 1982: 9, pl. 3, fig. 26; Minato 1988: 13.

Type locality.

"Oshima, Osumi".

Material examined.

ANSP 83385a (lectotype, designated by Baker 1964, photographs examined); 鹿児島縣 1奄美大島 (Kagoshima-ken, Amami Oshima = Kagoshima Prefecture, Amami Oshima), Sakurai coll., NSMT-Mo 79097 (2 shells).

Remarks.

Protoconch low, finely granulated, moderately glossy; R2 with ca. 32 low, blunt ribs; in one of the specimens the ribs are free from each other even near the tube; distance between ribs at edge of body whorl larger than a rib width; in the other, weathered specimens (Sakurai coll.) the regular ribs stand close to each other, similarly to that of C. laevis ; no spiral lines 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