i–iv Megaspira elata (Gould, 1847), paratype NHMUK 1987060 (H = 37.2). Thaumastus species. v–vi T. ascendens (Pfeiffer, 1853), lectotype NHMUK 1975274 (H = 92.0).

 
 
  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