Semirostrum ceruttii Plesiosaurus It had a large number

It had a large number of teeth in its jaw

as its anatomy suggests that it was an agile flier and specialized in capturing prey in flight

Height 168 mm

Its eyesight and sense of smell were extremely developed

The vertebral column was composed of numerous cervical

Semirostrum ceruttii Plesiosaurus It had a large numberSemirostrum ceruttii was a fossil odontocete belonging to Phocoenidae, the porpoise family, known from marine Pliocene deposits in California, United States. Formally described by Racicot and colleagues in 2014, this taxon represents one of the most extraordinary forms in porpoise evolution because of its extremely elongated lower jaw, which projected far beyond the upper rostrum. Its generic name may be interpreted as half rostrum or half beak,