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

Hypselostoma salpinx (van Benthem Jutting, 1961) comb. nov. Gyliotrachela salpinx van Benthem Jutting, 1961: 38–39, pl. 10, fig. 4. Gyliotrachela salpinx — Maassen 2001: 76. Type material examined. Malaysia • 60 paratypes; from the type locality; Aug. 1950; Raffles Museum ex. coll.; RMNH.Moll.137154. Additional material examined. Malaysia • 6 shells; Pahang, 10 km northeast from Raub, 1.5 km northwest from Sungai Ruan, vicinity of Bukit Serdam limestone rock; 03°49.817'N, 101°55.387'E; 170 m a. s. l.; 20 Jan. 2013; A. Hunyadi leg.; coll. HA • 6 shells; Pahang, Tok Machang (end of Raub), road Raub-Sungai Ruan; Oct. 1998; ex. coll. Hemmen, Wiesbaden; coll. PGB. Thailand • 4 damaged shells; Thailand, Suratthani Province, Angthong islands, Mae Koh island, footpath to the Lagoon, at the base of limestone rocks; 9°39.460'N, 99°39.976'E; 20 m a. s. l.; Sep. 2007; A. Reischütz leg.; coll. REI (cf. salpinx) • 1 shell; Phattalung Province, 6.4 km E of Hwy. 4081, 1 km SW of Khao Chai Son; 7°27'N, 100°11'E; 11 Apr. 1988; K. Auffenberg leg.; locality code KA-0648; UF 591343 • 1 shell; same locality data as previous; 11 Apr. 1988; K. Auffenberg leg.; locality code KA-0648; UF 591342; 3 shells; Phattalung Province, 6 km NW of Phattalung, 1 km NE of Hwy. 4048; 7°40'N, 100°3'E; 60 m a. s. l.; 13 Apr. 1988; K. Auffenberg leg.; locality code KA-0653; UF 591345 • 5 shells; Phattalung Province, 6.4 km E of Hwy. 4 on Hwy. 4081, 1 km SW of Khao Chai Son, large limestone outcrop with solution pits; 7.450°N, 100.183°E; 50 m a. s. l.; 11 Apr. 1988; K. Auffenberg leg.; locality code KA-0649; UF 591344 • 1 shell; Phattalung Province, Khao Pu Khao Ya National Park, Matcha cave vicinity; 7°39.980'N, 99°52.343'E; 125 m a. s. l.; 25 Feb. 2023; A. Hunyadi leg.; coll. HA • 35 shells; Songkhla Province, 31.3 km NW of Hat Yai, 1.2 km W of Hwy. 43; 7°10'N, 100°16'E; 80 m a. s. l.; 08 Apr. 1988; K. Auffenberg leg.; locality code KA-0635; UF 344926 • 5 shells; same locality data as previous; 08 Apr. 1988; K. Auffenberg leg.; locality code KA-0636; UF 591341. Type locality. “ Bukit Serdam, near Raub, Pahang ” (Malaysia). Differential diagnosis. See under H. saxicola and H. coriaceum sp. nov. Distribution. This species is known only from the limited area (Raub) in Malaysia and Suratthani, Phattalung and Songkhla provinces in Thailand.