Helohyidae
| Helohyidae Temporal range: | |
|---|---|
| Reconstruction of the skull of Achaenodon | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | †Helohyidae Marshall, 1877 |
| Species | |
| |
Helohyidae were a group of artiodactyl mammals. They were most prominent in the mid-to-upper Eocene (~50 to 39 million years ago).
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