Odontoceti) from the Miocene of Antarctica

It is speculated that the females came out of the water to lay their eggs on beaches or suitable nesting areas

Despite being a fearsome predator

Unlike other pterosaurs more specialized in catching fish

Its powerful hind legs allowed it to move quickly

Desmostylus hesperus Protemnodon Odontoceti) from the Miocene ofDesmostylus hesperus was a semi aquatic marine mammal from the Miocene belonging to Desmostylia, an extinct order of mammals known exclusively from the North Pacific. Unlike sirenians, pinnipeds or cetaceans, desmostylians represented a distinct evolutionary lineage that has completely disappeared. They have traditionally been associated with Tethytheria, the broader evolutionary group that includes sirenians and proboscideans. The generic name means