Metalycaeus zayuensis (Zhang, Chen & Zhou, 2008)

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/A08720BA-707D-5AA2-A011-28E7831C8206

treatment provided by

ZooKeys by Pensoft

scientific name

Metalycaeus zayuensis (Zhang, Chen & Zhou, 2008)
status

 

Metalycaeus zayuensis (Zhang, Chen & Zhou, 2008) Fig. 36 View Figure 36

Chamalycaeus zayuensis Zhang, Chen & Zhou, 2008: 745, figs 1-4.

Metalycaeus (?) zayuensis - Páll-Gergely et al. 2017: 108.

Type locality.

"Tashan Town, Zayu County (28°04'N, 97°E), Tibet Autonomous Region, China".

Material examined.

Probably lost, see remarks.

Remarks.

The specimens labelled as the types (Tashan Town, Zayu County, Nyingchi City, Tibet Autonomous Region, China, leg. Chen De-Niu, 1980.7.13, IZCAS TM_094538, holotype; IZCAS TM_094540, paratype) of C. zayuensis represent a species different from the one characterised in the original description. Namely, the real C. zayuensis has a smooth R2 with dense stripes, and finely ribbed R1, whereas the ones we examined have elevated, sharp, widely spaced R1 and R2 ribs. Furthermore, the ones in the Beijing Museum have sharp swelling on R3 with an incision at the middle, whereas the ones in the original description possess a relatively low, simple R3 swelling.

Chamalycaeus zayuensis was previously moved to the genus Metalycaeus based on the spiral striation ( Zhouxing and Wechuan 2015; Páll-Gergely et al. 2017).

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Gastropoda

Family

Cyclophoridae

Genus

Metalycaeus

Loc

Metalycaeus zayuensis (Zhang, Chen & Zhou, 2008)

Pall-Gergely, Barna, Sajan, Sheikh, Tripathy, Basudev, Meng, Kaibaryer, Asami, Takahiro & Ablett, Jonathan D. 2020
2020
Loc

Chamalycaeus zayuensis

Zhang, Chen & Zhou 2008
2008