Pincerna constricta (Benson, 1851)

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/5F1BBAE8-5014-516E-B964-CE64BC3E39B3
treatment provided by	ZooKeys by Pensoft
scientific name	Pincerna constricta (Benson, 1851)
status

Treatment

Pincerna constricta (Benson, 1851) Fig. 39A View Figure 39

Cyclostoma constrictum Benson, 1851: 184-195.

Alycaeus constrictus var. minor Benson, 1859: 181.

Alycaeus constrictus - Reeve 1878: pl. 5, species 41.

Alycaeus (Alycaeus) constrictus - Kobelt 1902: 343.

Alycaeus (Cycloryx) constrictus - Godwin-Austen 1914: 347-348, pl. 147, figs 4, 4a; Godwin-Austen 1914: 348-349, pl. 154, figs 1, 1a; Gude 1921: 277-278.

Alycaeus (Cycloryx) constrictus , var. minor - Godwin-Austen 1914: 348.

Cycloryx constrictus - Ramakrishna et al. 2010: 70.

Pincerna constricta - Páll-Gergely 2017: 218, fig. 1A.

Type locality.

"ad Darjiling Himalayæ Sikkimensis".

Material examined.

UMZC I.103745 (1 syntype); Rungun Valley, Darjiling, NHMUK 1906.4.4.41 (5 shells).

Remarks.

Protoconch matte, without spiral lines; R1 with very sharp, widely spaced ribs, and extremely fine spiral lines; R2 very short, with alternating darker/wider and much narrower/lighter stripes (altogether ca. 12), overall surface smooth.