Dicharax (?) plectocheilus (Benson, 1859)

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/F9F34B4C-702C-5ADD-8050-D79D8B738105
treatment provided by	ZooKeys by Pensoft (2020-10-29 22:48:38, last updated 2024-11-25 21:42:09)
scientific name	Dicharax (?) plectocheilus (Benson, 1859)
status

Treatment

Alycaeus plectocheilus Benson, 1859: 180.

Alycaeus plectocheilus - Reeve 1878: pl. 2, species 14; Godwin-Austen 1914: 342-343, pl. 134, figs 4, 4a-c.

Alycaeus (Dicharax) plectochilus [sic] - Kobelt 1902: 375.

Alycaeus plectocheilus , large var. - Godwin-Austen 1914: 342-343, pl. 133, figs 3, 3a-c.

Alycaeus (Dicharax) plectochilus [sic] - Gude 1921: 264-265.

Chamalycaeus (Dicharax) plectochilus - Ramakrishna et al. 2010: 65.

Dicharax plectocheilus - Páll-Gergely et al. 2017: 54.

Type locality.

"in valle Rungun".

Material examined.

Darjiling, Rungun Valley, coll. Blanford, NHMUK 1906.4.4.184 (2 syntypes); Vorder Indien, Rungun Valley, Darjiling, leg. Hungerford 1889, leg. O. Boettger, SMF 109254 (2 shells); Damsang, Daling District, NHMUK 1903.7.1.1256 (25 shells of "large var.").

Remarks.

Protoconch low, rather glossy, no spiral lines visible; R1 glossy, very finely ribbed without spiral lines; R2 moderately long, it forms a nearly smooth area with alternating thicker/darker and narrower/lighter stripes.

References

Gude, GK, 1921. The Fauna of British India including Ceylon and Burma. Mollusca. III. Land operculates (Cyclophoridae, Truncatellidae, Assimineidae, Helicinidae). Taylor and Francis, London, DOI: https://doi.org/10.5962/bhl.title.12890

Kobelt, W, 1902. Das Tierreich. Eine Zusammenstellung und Kennzeichnung der rezenten Tierformen. In Verbindung mit der Deutschen Zoologischen Gesellschaft herausgegeben von der Koeniglich Preussischen Akademie der Wissenschaften zu Berlin. Mollusca: Cyclophoridae. R. Friedlaender und Sohn, Berlin, https://biodiversitylibrary.org/page/1000211

Pall-Gergely, B, Hunyadi, A, Đỗ, ĐS, Naggs, F, Asami, T, 2017. Revision of the Alycaeidae of China, Laos and Vietnam (Gastropoda: Cyclophoroidea) I: The genera Dicharax and Metalycaeus. Zootaxa 4331 (1): 1 - 124, DOI: https://doi.org/10.11646/zootaxa.4331.1.1

Reeve, LA, 1878. Monograph of the genus Alycaeus. In: Reeve LA (Ed.) Conchologica Iconica: or, Illustrations of the Shells of Molluscous Animals. Reeve and Co., London, 20: 13 pp. [+ 6 pls] https://www.biodiversitylibrary.org/page/8230573