English: Fossil skull of "Crocodylus" acer Cope 1882, holotype AMNH FR 1240
"Crocodylus" acer was described in 1882 as a species of Crocodylus but phylogenetic analyses in 2000 and 2018 have recovered the species outside of Crocodylidae. It represents a new genus that is unnamed at the time of upload.
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