sea. Description Little information is available on the physiology of Palaeoamasia. Sister taxa Arsinoitherium, on the other hand, is very well documented. The build of Arsinoitherium is consistent with aquatic mammals, even though it is a terrestrial mammal. The vertebrate of Arsinoitherium suggest that the head was raised above the shoulders, allowing the mammal to hold its head above water while swimming. However, the sacral vertebrae were no fused, making it harder to hold up its large body. Additionally, Arsinoitherium has short legs with a low knee joint, reducing the mammal to a short stride, which tends to make it more difficult to walk. Finally, Arsinoitherium is recorded to be plantigrade. Palaeoamasia has highly unique hyperdilambdodont molars, indicative of a plant-only diet. This derived feature of having two prominent transverse crests on upper molars is only found in embrithopods. References Embrithopods Ypresian life Prehistoric placental genera Eocene mammals of Asia Fossils of Turkey Fossil taxa described in 1966