Schistoloma, Kobelt, 1902

Páll-Gergely, Barna, Nguyen, Phi Khanh & Chen, Yansen, 2019, A review of Vietnamese Schistoloma Kobelt, 1902 with a list of all known species of the genus (Caenogastropoda: Cyclophoroidea: Pupinidae), Raffles Bulletin of Zoology 67, pp. 322-327 : 323

Schistoloma cochinchinense ( Rochebrune, 1882)

( Fig. 1A )

Catalus cochinchinensis Rochebrune, 1882: 62 (type locality: “Sanglu, Cochinchine”).

Schistoloma cochinchinense — Kobelt, 1902: 279.

Schistoloma funiculata — Thach, 2016: 39, fig. 121.

Schistoloma cochinchinense — Egorov, 2013: 14, fig. 22c.

Types examined. Not examined.

Additional material examined. Ðồng Nai Province , 20 km east of Long Khánh , Núi Ch ứa Chan , 100 m southwest of Chùa Bửu Quang, 470 m a.s.l., 10.950260°N, 107.371347°E, leg. A. Hunyadi, 02.02.2019, HA/23 , HNHM 103478 ( Fig. 1A ) ; Ðồng Nai Province , 20 km east of Long Khánh , Núi Ch ứa Chan, 80 m east Chùa Bửu Quang, 10.950635°N 107.373400°E, leg. A. Hunyadi, 02.02.2019, HA/6 ; Ðồng Nai Province , ca. 1.5 km from Vườn Qu ốc Gia Cát Tiên towards Bàu S ấu, along the path, 11.454449°N 107.366197°E, leg. A. Hunyadi, 03.02.2019, HA/16 ; Ðồng Nai Province , Vườn Qu ốc Gia Cát Tiên, 7.1 km from ferryboat harbour towards Bàu S ấu on the main road, 160 m a.s.l., 11.447651°N 107.383646°E, leg. A. Hunyadi, 03.02.2019, HA/2 .

Diagnosis. A large Schistoloma species with smooth, elongate-ovoid shell having a strong periumbilical keel. Differs from Schistoloma messageri by the larger, more ovoid shell, and less prominent keel.

Distribution. Schistoloma cochinchinense is known from Southern Vietnam (Dong Nai and Binh Phuoc Provinces).

Remarks. The photos of Thach (2016) clearly show Schistoloma cochinchinense instead of Schistoloma funiculalum.

Figures

Fig. 1. Shells of Schistoloma Kobelt, 1902. A, Schistoloma cochinchinense (Rochebrune, 1882), HNHM 103478 from Ðồng Nai Province, Vietnam; B, Schistoloma messageri (Bavay & Dautzenberg, 1909), labelled as syntype SMF 192263; C–F, Schistoloma inermis (Bavay & Dautzenberg, 1909). C, syntype MNHN-IM-2000-28067; D, syntype SMF 192262; E, holotype of Pinteria croesus Varga, 1972, HNHM 11895; F, specimen in coll. HA from Yunnan, China. Photographs by: M.C. Gutierrez (C, downloaded from the website of the MNHN) and B. Páll-Gergely (A, B, D–F). Scale bar = 10 mm.