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

Hypselostoma phupaman (Panha & J. B. Burch, 2002) comb. nov. Figs 242 G, 256, 259 Paraboysidia phupaman Panha & Burch, 2002 c: 90, fig. 6. Gyliotrachela phupaman — Panha and Burch 2008: 77–78, fig. 67; Dumrongrojwattana and Wongkamhaeng 2024: 324, fig. 8. Type material examined. Thailand • 1 paratype; from the type locality; 1998; S. Panha, P. Dumrongrojwattana, C. Sutcharit, S. Tumpeesuwan leg.; CUMZ ver. 086. Type locality. “ Phupaman mountains, Petchaboon Province, Thailand, 16°39′52″N, 101°54′17″E, 60 meters elevation ”. Differential diagnosis. This species is not similar to any of its congeners due to the unique, double-keeled last whorl. Distribution. This species is known only from the type locality.