Hypselostoma kohrin Gojšina & Hunyadi & Sutcharit & Tongkerd & Auffenberg & Grego & Vermeulen & Reischütz & Páll-Gergely 2025, comb. nov.

Hypselostoma kohrin (Panha & J. B. Burch, 2003) comb. nov. Gyliotrachela kohrin Panha & Burch in Burch et al. 2003: 151–157, figs 8–9. Gyliotrachela kohrin — Tongkerd et al. 2004: 143, fig. 2; Panha and Burch 2008: 74–75, fig. 64; Dumrongrojwattana and Wongkamhaeng 2024: 323, fig. 8. Material examined. Thailand • 1 shell; Chonburi Province, Koh Rin, 25 km from eastern coast of Thailand; 26 Oct. 2013; J. U. Otani leg.; coll. PGB • 2 shells; Chonburi Province, Pattaya, Koh Rin, 28 June 2014; J. U. Otani leg.; coll. PGB. Type locality. “ On a limestone hill on Kohrin (Rin Island), which is a small island located in the upper Gulf of Thailand, south of Pattya Beach, eastern coast of Thailand, about 25 kilometers from the coast, Satthip District, Chonberi Province, 12°48'5"N, 100°42'4"E, 30 meters elevation, Thailand ”. Differential diagnosis. This species is similar to H. diarmaidi from which it can be separated by the last whorl distally shortly detached as well as the weaker keel and not so concave surface above it. See also under H. surakiti. Distribution. This species is known only from the type locality.