Annotated type catalogue of the Megaspiridae, Orthalicidae, and Simpulopsidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London Author Breure, Abraham S. H. Naturalis Biodiversity Center, P. O. Box 9517, Leiden, the Netherlands Author Ablett, Jonathan D. Natural History Museum, Division of Higher Invertebrates, London, SW 7 5 BD, UK text ZooKeys 2015 2015-01-12 470 17 143 http://dx.doi.org/10.3897/zookeys.470.8548 journal article http://dx.doi.org/10.3897/zookeys.470.8548 1313-2970-470-17 0E78A6A90B82401199EED5895E7F8A9E FFDAFF85127CFFB3AA5915611C3A767A 578680 Bulimus achilles Pfeiffer, 1853 Figs 1i-ii , L1i Bulimus achilles Pfeiffer 1853b : 378; Pfeiffer 1854b : 137; Pfeiffer 1855 in Kuester and Pfeiffer 1840-1865 : 247, pl. 66 fig. 9; Breure 1979 : 44. Thaumastus (Thaumastus) taunaisii achilles ; Breure 1978 : 32 (lectotype designation). Type locality. [Brazil] "in ripis fluvii Amazonum". Label. "Banks of Amazon", taxon label in Pfeiffer's handwriting. M.C. label style IV. Dimensions. "Long. 57, diam. 25 mill.". Figured specimen H 58.0, D 25.5, W 6.4. Type material. NHMUK 1975268, lectotype, 1975269, 2 paralectotypes (Cuming coll.). Remarks. Pfeiffer did not state on how many specimens his description was based, but the species was described from the Cuming collection. The original label also mentions "between B. Largilliertii / + taunasii"; a label in a second (later?) hand has added "Prov. S. Paulo, Brazil / (Nehring)".The current systematic position is according to Richardson (1995 : 384). Current systematic position. Megaspiridae , Thaumastus taunaisii ( Ferussac , 1822).