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Archeogastropoda, Mesogastropoda and Stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations

Norman Frederick Sohl

出版	U.S. Government Printing Office, 1960
URL	http://books.google.com.hk/books?id=lHzxqAcBQxoC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

In this report, 48 genera and 94 named and 33 unnamed species are discussed and diagnosed; 4 genera are new; 3 new subgenera are proposed, and 21 species and 2 subscpecies are described as new.