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)
Dichobune
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Dichobune is the type genus of the Dichobunoidea, an extinct paraphyletic superfamily consisting of some of the earliest artiodactyls known in the fossil record. It was a primitive artiodactyl genus t
Partial upper dentition of D. leporina
Reconstruction of the cranium of D. leporina in upper view, 1906
Skeleton of the related Aumelasia cf. gabineaudi, an early dichobunine