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![](./img/clear.gif) 1.- Fossil Mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River Basins, Wyoming, with definitions of Late Cretaceous North American land-mammal "ages"
Lillegraven, Jason A.; McKenna, Malcolm C.
New York: American Museum of Natural History, 1986
American Museum Novitates
Revistas
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![](./img/clear.gif) 2.- Vertebrates, phylogeny and philosophy
Flanagan, Kathryn M.; Lillegraven, Jason A.
University of Wyoming, 1986
Geología
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