Prorastomidae
| Prorastomidae Temporal range: Eocene |
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| Prorastomus sirenoides | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Sirenia |
| Family: | †Prorastomidae |
| Genera | |
Prorastomidae is a family of extinct sirenians from Jamaica, related to the extant manatees and dugong. The family includes two genera:
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