by Jacob L. Wortman
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The extinct Camelidæ of North America an...
Ancestors of the tapir from the Lower Mi...
On the affinities of Leptarctus primus o...
The ancestry of certain members of the C...
Osteology of Patriofelis, a Middle Mioce...
The Ganodonta and their relationship to ...
Early Tertiary vertebrate faunas, Vieja ...