Hypselostoma torticollis (van Benthem Jutting, 1962) comb. nov.

Gyliotrachela torticollis van Benthem Jutting, 1962: 8–10, fig. 4.

Gyliotrachela torticollis — Sutcharit et al. 2023: 1293–1295, fig. 3.

Type material examined.

Cambodia • 3 paratypes; Battambang, Phuom Truong Mean; 1960; E. Saurin leg.; RMNH.Moll.137136 .

Type locality.

“ Phum Troung Mean, à 15 km au S. - O. de Battambang, Cambodge ” (Cambodia).

Differential diagnosis.

Hypselostoma fungus sp. nov. has merged angular and parietal lamellae, wider umbilicus, last whorl without a keel and a flatter shell. See also under H. transitans, H. pendulum, H. srakeoense .

Distribution.

This species is known only from the Battambang province, Cambodia.

Remarks.

Of three examined paratypes, one did not have the aperture as downturned as the others.