Metalycaeus heudei (Bavay & Dautzenberg, 1900)

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

Metalycaeus heudei (Bavay & Dautzenberg, 1900)

Alycaeus (Charax) heudei Bavay & Dautzenberg, 1900a: 121-122.

Alycaeus (Charax) heudei - Bavay & Dautzenberg, 1900b: 458-459, pl. 11, figs 15-18.

Alycaeus (Dicharax) heudei - Kobelt 1902: 372.

Alycaeus paviei Bavay & Dautzenberg, 1912: 50-51, pl. 4, figs 5-8.

Alycaeus paviei var. minor Bavay & Dautzenberg, 1912: 51, pl. 4, fig. 9.

Chamalycaeus (Dicharax) compressicosta Zilch, 1957: 145-146, fig. 33.

Chamalycaeus (Dicharax) fractus Varga, 1974: 165-167, figs 1-5.

Alycaeus zhuangiyucuii Yang, Fan, Qiao & He, 2012: 32, fig. 2.

Metalycaeus heudei - Páll-Gergely et al. 2017: 74-84, figs 49C, D, 50-52, 53C, D; Inkhavilay et al. 2019: 16, fig. 6C.

Type locality.

“Haut-Tonkin”.

Material examined.

Haut Tonkin, leg. Messager, MNHN-IM-2000-27169 (1 syntype).

Remarks.

Alycaeus paviei Bavay & Dautzenberg, 1912, Alycaeus paviei var. minor Bavay & Dautzenberg, 1912, Chamalycaeus (Dicharax) compressicosta Zilch, 1957, Chamalycaeus (Dicharax) fractus Varga, 1974 and Alycaeus zhuangiyucuii Yang, Fan, Qiao & He, 2012 are synonyms of Metalycaeus heudei (see Páll-Gergely et al. 2017).

Protoconch elevated, spirally striated, R1 regularly ribbed, area between ribs with very fine spiral structure; R2 with sharp, widely spaced ribs.