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A New Extinct Emydid Turtle from the Lower Pliocen

A New Extinct Emydid Turtle from the Lower Pliocene of Oklahoma

BY

EDWIN C. GALBREATH

University of Kansas Publications Museum of Natural History

Volume 1, No. 16, pp. 265-280, plate 1 August 16, 1948

University of Kansas LAWRENCE 1948

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman; H. H. Lane, Edward H. Taylor

Volume 1, No. 16, pp. 265-280, plate 1 August 16, 1948

UNIVERSITY OF KANSAS Lawrence, Kansas

PRINTED BY FERD VOILAND, JR., STATE PRINTER TOPEKA, KANSAS 1948

22-3340

[Illustration: PLATE 1. _Chrysemys limnodytes._ Univ. Kans. Mus. Nat. Hist., Vert. Paleo. Coll. No. 7676. Fig. A, dorsal view of carapace; fig. B, ventral view of plastron. Both views approximately x .4.]

A New Extinct Emydid Turtle from the Lower Pliocene of Oklahoma

By

EDWIN C. GALBREATH

In the summer of 1946 a party from the University of Kansas Museum of Natural History visited exposures of the Laverne formation in Beaver County, Oklahoma, at the invitation of Dr. Stuart Schoff of the United States Geological Survey. When examining the marl beds an Emydid turtle was discovered which appears to be an unnamed species of the genus _Chrysemys_. A description of the new species follows.

Chrysemys limnodytes, new species

_Holotype._--University of Kansas Museum of Natural History No. 7676, vertebrate paleontological collection, a turtle consisting of a fragmental anterior portion of a carapace, left part of the plastron, and several marginals collected by the 1946 paleontological field party of the University of Kansas Museum of Natural History.

_Geological Age and locality._--Marl beds of the Laverne formation, early Pliocene age, in SW 1/4 Sec. 15, T. 4 N., R. 25 ECM, Beaver County, Oklahoma. The specimen was removed from the marl immediately below the fossil leaf zone (see Chaney and Elias, 1936; Frye and Hibbard, 1940).


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