original description
(of Amnicola yatesiana J. G. Cooper, 1894 †) Cooper, J.G. (1894). Catalogue of Californian Fossils (parts II, III, IV, and V). <em>California State Mining Bureau Bulletin.</em> 4: 1-65, 6 pls.
page(s): 55, pl. 5, fig. 60 [details]
basis of record
Yen, T.-C. (1947). Pliocene Fresh-Water Mollusks from Northern Utah. <em>Journal of Paleontology.</em> 21(3): 268-277.
page(s): 273 [details] Available for editors [request]
status source
Hershler, R.; Liu, H.-P. (2004). Taxonomic Reappraisal of Species Assigned to the North American Freshwater Gastropod Subgenus Natricola (Rissooidea: Hydrobiidae). <em>The Veliger.</em> 47(1): 66-81., available online at https://repository.si.edu/bitstream/handle/10088/11311/iz_HershlerLiu2004a.pdf?sequence=1&isAllowed=y
page(s): 78 [details]
From editor or global species database
Taxonomy attributed to Savaginius by Taylor (1966), which was considered a junior synonym of Pyrgulopsis by Hershler & Liu (2004) [details]