''Copecion'' was a genus of early herbivorous mammals that was part of the family

Phenacodontidae Phenacodontidae is an extinct family of large herbivorous mammals traditionally placed in the “wastebasket taxon” Condylarthra, which may instead represent early-stage perissodactyls. They lived in the Paleocene and Eocene epochs (about 6 ...

.P. D. Gingerich. 1989. "New earliest Wasatchian mammalian fauna from the Eocene of northwestern Wyoming: composition and diversity in a rarely sampled high-floodplain assemblage". University of Michigan Papers on Paleontology 28:1-97.

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* Condylarths Paleocene mammals of North America Eocene mammals of North America Eocene genus extinctions Prehistoric placental genera Fossil taxa described in 1989 {{paleo-mammal-stub