Shells of Aulacospira Möllendorff, 1890. A Aulacospira triptycha Quadras & Möllendorff, 1895 (SMF 4611, syntype) B Aulacospira lens Páll-Gergely & Auffenberg sp. n. (paratype, UF 245505, uncleaned with original coating) C Aulacospira lens sp. n. (UF 245485, holotype) D Aulacospira hololoma (Möllendorff, 1887) (SMF 4608, lectotype) E Aulacospira mucronata (Möllendorff, 1887) (SMF 4609, lectotype) F Aulacospira krobyloides Páll-Gergely & Schilthuizen sp. n. (RMNH.MOL.340281, holotype). Scale bar: 3 mm.