Bensonella Pilsbry & Vanatta, 1900

Genus Bensonella Pilsbry & Vanatta, 1900 View in CoL

Bifidaria (Bensonella) Pilsbry & Vanatta, 1900: 591 .

Boysidia (Paraboysidia) Pilsbry, 1917: 174 , 201. Type species. Boysidia paviei Bavay & Dautzenberg, 1912 View in CoL , by original designation. Schileyko, 1998: 137, 138.

Boysidia (Bensonella) — Pilsbry, 1917: 198. Thiele, 1931: 514.

Bensonella (Paraboysidia) — Zilch, 1959: 164.

Bensonella View in CoL — Zilch, 1959: 164. Schileyko, 1998: 139, 140. Páll-Gergely & White, 2022: 2014. Jirapatrasilp et al., 2024: 89.

Type species. Pupa plicidens Benson, 1849 View in CoL , by original designation.

Diagnosis. Shell conic to ovate conic, brownish to chestnut-brown and corneous. Shell sculptured with growth lines and very fine spiral striation. Aperture vertical; peristome expanded; lip generally adnate to preceding whorl. Apertural dentition normal (not hooked) or hooked, and generally with many plicae and lamellae; parietal and angular lamellae separated; additional dentitions (basal, columellar, infraparietal, infrapalatal, interpalatal, lower palatal, palatal tubercle, suprapalatal, supracolumellar, subcolumellar, or upper palatal) usually present. Umbilicus narrow or perforate.

Remarks. Currently, the genus Bensonella consists of about thirty species, which are widely distributed, ranging from southern Himalaya to Indochina, China, and Japan ( Páll-Gergely & White, 2022; MolluscaBase, 2024).