Diplommatina (Sinica) setchuanensis Heude, 1885
Diplommatina setchuanensis Heude, 1885: 97, pl. 24, figs 10 and 10 a-b.
Diplommatina (Sinica) setchuanensis – Kobelt & Möllendorff, 1898: 141; Kobelt, 1902: 471.
Type material.
Lectotype HMT 228 a (Figs 7 E, 13 E), designated herein; five paralectotypes HMT 228 b, lot “ A ”, 4 paralectotypes (see Remarks below) (Figs 7 F, 13 F), lot “ B ”, 16 paralectotypes (see Remarks below) (Figs 7 G, 13 G); paralectotype USNM 472302, five paralectotypes MCZ 167226.
Type locality.
“ Tchen-k’eou ” [Chenkou, Chongqing City].
Brief description.
Shell dextral, with about 7 whorls. Protoconch smooth. Penultimate whorl slightly expanded; body whorl nearly as wide. Constriction at slightly right of parietal wall. No spiral striation visible. Teleoconch with strong, dense, radial ribs; ca. 6 ribs per 0.5 mm on penultimate whorl, ca. 7 ribs per 0.5 mm on body whorl. Dorsal fold absent. Umbilicus closed. Double lip present. Columellar tooth present. No horizontal palatalis nor vertical palatalis visible.
Remarks.
The lectotype is designated herein in accordance with Art. 74 of the Code (ICZN 1999) for the stabilisation of the name. Johnson listed ‘ paratypes’ in USNM and MCZ. C. - C. Hwang studied the type series and separated two specimen lots A and B (see above) as representing different species.