The Project Gutenberg EBook of Records of the Fossil Mammal Sinclairella,
Family Apatemyidae, From the Chadronian and Orellan, by William A. Clemens

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Title: Records of the Fossil Mammal Sinclairella, Family Apatemyidae, From the Chadronian and Orellan

Author: William A. Clemens

Release Date: October 20, 2009 [EBook #30297]

Language: English

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UNIVERSITY OF KANSAS PUBLICATIONS

MUSEUM OF NATURAL HISTORY

Volume 14, No. 17, pp. 483-491, 2 figs.
March 2, 1964

Records of the Fossil Mammal
Sinclairella, Family Apatemyidae,
From the Chadronian and Orellan

BY

WILLIAM A. CLEMENS, JR.

UNIVERSITY OF KANSAS
LAWRENCE
1964

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, Henry S. Fitch,
Theodore H. Eaton, Jr.

Volume 14, No. 17, pp. 483-491, 2 figs.
Published March 2, 1964

UNIVERSITY OF KANSAS
Lawrence, Kansas

PRINTED BY
HARRY (BUD) TIMBERLAKE, STATE PRINTER
TOPEKA, KANSAS

1964

29-8587

Records of the Fossil Mammal
Sinclairella, Family Apatemyidae,
From the Chadronian and Orellan

BY

WILLIAM A. CLEMENS, JR.

Introduction

The family Apatemyidae has a long geochronological range in North
America, beginning in the Torrejonian land-mammal age, but is
represented by a relatively small number of fossils found at a few
localities. Two fossils of Orellan age, found in northeastern Colorado
and described here, demonstrate that the geochronological range of the
Apatemyidae extends into the Middle Oligocene. Isolated teeth of
_Sinclairella dakotensis_ Jepsen, part of a sample of a Chadronian
local fauna collected by field parties from the Webb School of
California, are also described.

I thank Mr. Raymond M. Alf, Webb School of California,
Claremont, California, and Dr. Peter Robinson, University of
Colorado Museum, Boulder, Colorado, for permitting me to
describe the fossils they discovered. Also D