Linsley, Robert M.,  1930- <br/><br/>
Devonian carrier shells (Euomphalidae) from North America and Germany / 
by Robert M. Linsley and Ellis L. Yochelson 
 - Washington, D.C :  United States Government Printing Office,  1973 
 - 26 p.,[6] leaves of plates ;  29 cm. 
 - Geological Survey professional paper;  824 .
<br/><br/>Bibliography: p. 22-23 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Euomphalidae<br/>Xenophora<br/>Paleontology--Devonian<br/>Paleontology--North America<br/>Paleontology--Germany<br/>Geology--Survey--Germany<br/>Geology--Survey--North America
<br/><br/><label>Dewey Class. No.: </label>564.3