Choeropotamus
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Choeropotamus is an extinct genus of Palaeogene artiodactyls and the type genus of the family Choeropotamidae. It was endemic to western Europe and lived from the Middle Eocene up to the earliest Olig
Illustrations of the fossil jaws of C. parisiensis from Montmartre and the Isle of Wight
Illustrations of the upper and lower dentitions of C. parisiensis with labels
Reconstructed skeleton of Amphirhagatherium, an endemic European artiodactyl genus classified within the Choeropotamidae. The polyphyletic nature of the Choeropotamidae makes the placements of its genera uncertain and inadequately defined.
Amphimeryx
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Amphimeryx is an extinct genus of small mammals with slightly deer-like forms belonging to the Amphimerycidae, classified within the order Artiodactyla. It was endemic to western Europe and lived from
Because of some similar anatomical traits of the amphimerycids to those of ruminants (like the Java mouse-deer (Tragulus javanicus), pictured), they were previously considered ruminants by biologists. Today, their evolutionary relationship to ruminants and other artiodactyls proves unclear.
A. collotarsus mandible, Natural History Museum of Basel
Estimated body masses (kg) of Palaeogene artiodactyls based on recalculated trochlear widths (Li1) in comparison to estimates from Martinez and Sudre (1995)