Thaumastus species. i–ii T. taunaisii (Férussac, 1822), lectotype of Bulimus achilles Pfeiffer, 1853 NHMUK 1975268 (H = 58.0) iii–iv T. largillierti (Philippi, 1842), holotype Bulimus consimilis Reeve, 1848 NHMUK 20030189 (H = 52.9) v–vi T. foveolatus (Reeve, 1849), lectotype NHMUK 1975275 (H = 71.5).

 
 
  Part of: Breure ASH, Ablett JD (2015) Annotated type catalogue of the Megaspiridae, Orthalicidae, and Simpulopsidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 470: 17-143. https://doi.org/10.3897/zookeys.470.8548