basis of record
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of MĂ©xico and Central America. <em>Florida Museum of Natural History Bulletin.</em> 50(1): 1-299. [details] Available for editors [request]
additional source
Kobelt W. (1902). Das Tierreich. Eine Zusammenstellung und Kennzeichnung der rezenten Tierformen. 16. Lieferung. Mollusca. Cyclophoridae. <em>Das Tierreich.</em> XXXIX + 662 pp., 1 map. [July]. Berlin (R. Friedländer)., available online at https://biodiversitylibrary.org/page/1000211
page(s): 254 [details]
From editor or global species database