Paenungulate

Paenungulata (from Latin paene "almost" + ungulātus "having hooves"), is a clade of "sub-ungulates", which groups three extant mammal orders: Proboscidea (including elephants), Sirenia (sea cows, including dugongs and manatees), and Hyracoidea (hyraxes).

Arsinoitherium Zitteli, an extinct type of paenungulate

Overview

At least two more possible orders are known only as fossils, namely Embrithopoda and Desmostylia.