Dicharax depressus (Bavay & Dautzenberg, 1912)

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/91474D22-6199-5657-8587-595EE68F0169
treatment provided by	ZooKeys by Pensoft (2020-10-29 22:48:38, last updated 2024-11-25 21:42:09)
scientific name	Dicharax depressus (Bavay & Dautzenberg, 1912)
status

Treatment

Alycaeus depressus Bavay & Dautzenberg, 1912: 51-52, pl. 4, figs 10-13.

Dicharax depressus - Páll-Gergely et al. 2017: 43-45, figs 12E, F, 13D, 28E-H, 29E, F, 31A-C; Inkhavilay et al. 2019: 14, fig. 5A.

Type locality.

"Pac-Kha, Tonkin"

Material examined.

Pac-Kha, leg. Messager, MNHN-IM-2000-27165 (1 syntype); for additional specimens see Páll-Gergely et al. (2017).

Remarks.

Protoconch low; R1 glossy with regular, dense ribs, which gradually transform to an irregularly ribbed section having widely spaced ribs at end of R1; ribs low and blunt on whole shell; R2 very densely ribbed, ribs curved towards aperture.

Shells of a single sample had some spiral striation, which is highly unusual in this genus ( Páll-Gergely et al. 2017)

References

Inkhavilay, K, Sutcharit, C, Bantaowong, U, Chanabun, R, Siriwut, W, Srisonchai, R, Pholyotha, A, Jirapatrasilp, P, Panha, S, 2019. Annotated checklist of the terrestrial molluscs from Laos (Mollusca, Gastropoda). ZooKeys 834: 1 - 166, DOI: https://doi.org/10.3897/zookeys.834.28800

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