1.Previous
3.Next

genus Prorastomus is also represented by only one known species. Prorastomus sirenoides lived in modern day Jamaica during the Mid Eocene, and it is thought to be the oldest Sirenian species discovered so far. Similar to P. portelli, this quadrupedal Sirenian likely displayed a lifestyle comparable to hippos, spending large amounts of time both in and out of water. The species was determined to have had relatively large olfactory bulbs for a Sirenian, suggesting that the sense of smell was of importance to P. sirenoides, and the trigeminal nerves,

1.Previous
3.Next