Dicharax diminutus (Heude, 1885)

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/4F07CCC8-E90E-5E84-AF00-66847D2B7059
treatment provided by	ZooKeys by Pensoft (2020-10-29 22:48:38, last updated 2024-11-25 21:42:09)
scientific name	Dicharax diminutus (Heude, 1885)
status

Treatment

Alycoeus [sic] diminutus Heude, 1885: 96, pl. 24, figs 5, 5a.

Alycaeus diminutus - Heude 1886: 210.

Alycaeus (Orthalycaeus) diminutus - Möllendorff 1886: 170.

Alycaeus (Orthalycaeus) nanus Möllendorff 1886: 170, pl. 5, fig. 8.

Alycaeus (Chamalycaeus) diminutus - Kobelt and Möllendorff 1897: 148; Kobelt 1902: 354.

Alycaeus nanus - Tarruella and Domènech 2011: 72.

Dicharax diminutus - Páll-Gergely et al. 2017: 50-52, figs 33A-C ( nanus Möllendorff, 1886 is a synonym).

Type locality.

"in ditione Tchen-k’eou”.

Material examined.

Hunan, China, coll. Möllendorff ex coll. Heude, SMF 39255 (1 syntype of A. diminutus [" minutus " on the label]); for additional specimens see Páll-Gergely et al. (2017).

Remarks.

Protoconch low, glossy, without spiral lines, R1 with regular, dense, low ribs, no spiral striation visible; R2 short, with dense ribs curved towards the aperture.

References

Heude, RPM, 1886. Diagnoses Molluscorum novorum, in Sinis collectorum. Journal de Conchyliologie, 34: 208-215, 296-302. https://biodiversitylibrary.org/page/16071099

Kobelt, W, Moellendorff, O von, 1897. Catalog der gegenvaertig lebend bekannten Pneumonopomen. Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft 29: 73-88, 105-120, 137-152. https://www.biodiversitylibrary.org/page/28228303

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

Moellendorff, OF von, 1886. Materialen zur Fauna for China. Jahrbuecher der Deutschen Malakozoologischen Gesellschaft 13: 156 - 210, https://www.biodiversitylibrary.org/page/16355855

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

Tarruella, A, Domenech, JL, 2011. Listado taxonomico ilustrado de la familia Cyclophoridae J.E. Gray, 1847 (Mollusca: Gastropoda): Parte 2. La subfamilia Alycaeinae J.E. Gray, 1850. Spira 4 (1): 71 - 76