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 osteology of Agriochœrus
On the affinities of Leptarctus primus o...
The ancestry of certain members of the C...
The Ganodonta and their relationship to ...
Restoration of Oxyæna lupina Cope, with ...
Les Créodontes (Mammalia) d'Europe occi...
Paleobiology of North American Hyaenodon...