MolluscaBase name details
original description
Whitfield R.P. (1878). Preliminary descriptions of new species of fossils from the lower geological formations of Wisconsin. <em>Annual report of the Wisconsin Geological Survey for 1877.</em> 50-77.
page(s): 61 [details]
additional source
Whitfield R.P. (1882). Part III. Palaeontology. <em>Geology of Wisconsin.</em> 4:163-363.
page(s): 196, pl. 3, fig. 12, 13 [details]
status source
Yochelson E. L., Webers G. F. (2006). A restudy of the Late Cambrian molluscan fauna of Berkey (1898) from Taylors Falls, Minnesota. <em>Minnesota Geological Survey Report of Investigations.</em> 64: 1-60.
page(s): 29 [details] Available for editors [request]