Protosiren fraasi Scale:1:35 hard-shelled

hard-shelled

It is believed that the crest may have had multiple functions

Scale 1:35 Complete Length 85 mm

approximately 247 million years ago

Its bite—possibly among the most powerful of all known marine vertebrates—would have exerted pressure capable of easily crushing skulls and ribs

Protosiren fraasi Scale:1:35 hard-shelledProtosiren fraasi was one of the earliest marine mammals in the sirenian group, ancestors of modern manatees and dugongs. It lived during the Middle Eocene , approximately 40 million years ago, and its fossils have been found in regions of North Africa and the Middle East, including Egypt and Pakistan. This genus represents a key intermediate stage in sirenian evolution, when these animals were transitioning from a semi aquatic to a fully marine life.