Desmostylus hesperus Gryposaurus With a length of 7

With a length of 7 to 9 meters and a robust body

Height 205mm

suggests it had a relatively short but functional trunk

Width 65mm

Wingspan 97 mm

Desmostylus hesperus Gryposaurus With a length of 7Desmostylus 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