The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
Search the database pages:
Publication Yen (1951): summary publication summary Complete CitationYen, T.-C. 1951. Fresh-water mollusks of Cretaceous Age from Montana and Wyoming. U.S. Geol. Surv. Prof. Pap. 233-A: 1-20. Available electronically.
Taxonomic OpinionsProtelliptio douglassi (Stanton) Sulcatapex cretaceus Yen Unio farri Stanton = Ligumia farri Unio natosini McLearn = Quadrula natosini
|