Hyperaulax ridleyi. A–E. Lectotype, NHMUK 1888.6.27.106. F–I. Paralectotypes #1 to #4 (in order), NHMUK 1888.6.27.107-110. J. Extreme form, large and with thick callus, NHMUK 1888.6.27.88-94. K. Weathered specimen, ZMS unnumbered (ex Heimburg colln.). L. Protoconch detail (same specimen from K).

 
 
  Part of: Brincalepe Salvador R, Cavallari DC (2019) Taxonomic revision of the genus Hyperaulax Pilsbry, 1897 (Gastropoda, Stylommatophora, Odontostomidae). Zoosystematics and Evolution 95(2): 453-463. https://doi.org/10.3897/zse.95.38259