A new eurypterid from the upper Devonian of Pennsylvania /

Bibliographic Details

Main Author:	Ehlers, George Marion, 1891-
Format:	Book
Language:	English
Published:	[Ann Arbor] : [University of Michigan Press], 1935.
Series:	Contributions from the Museum of Paleontology ; v. 4, no. 18.
Subjects:	Eurypterus arnoldi.