Thaumastus species. i–iii T. magnificus (Grateloup, 1839), lectotype NHMUK 1907.11.22.24 (H = 78.0) iv–vi T. plumbeus (Pfeiffer, 1855), lectotype NHMUK 1975130 (H = 93.0).

 
 
  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