Hypselostoma cambodjense van Benthem Jutting 1962

Hypselostoma cambodjense van Benthem Jutting, 1962 Figs 111 H, 122, 182 Hypselostoma cambodjense van Benthem Jutting, 1962: 3–5, fig. 1. Hypselostoma cambodjense — Vermeulen et al. 2019: 39; Sutcharit et al. 2020: 18, figs 3 H, 8 A – C; Sutcharit et al. 2023: 1290. Type material examined. Cambodia • 4 paratypes; from the type locality; 1960; E. Saurin leg.; RMNH.Moll.137169. Type locality. “ Phnom Can Long, à 6 km au Sud de Tuk Méas, Cambodge ”. Differential diagnosis. This species differs from H. benetuitum by the absence of hooked apertural barriers. Also, the keel is slightly sharper in H. benetuitum with a more concave surface below it. Distribution. This species in known from Kampot province (Cambodia) and Kien Giang province (Vietnam) (Vermeulen et al. 2019). Remarks. Of four paratypes examined, one of them had the last whorl fully adnate to the penultimate.