Catalog of the type specimens of invertebrate fossils. 1. Paleozoic cephalopoda

Louis R Purnell
Bok · Engelsk · 1968

Utgitt	Washington : Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] , 1968
Emner	Fossils - Catalogs and collections Invertebrates, Fossil - Type specimens