Hyopsodontidae is an extinct family of primitive mammals, initially assigned to the order Condylarthra, living from the Paleocene to the Eocene in North America and Eurasia. Condylarthra is now thought to be a wastebasket taxon; hyopsodontids have occasionally been speculated to be related to Afrotheria, but the most recent consensus is that they are related to Perissodactyla. Analysis of the inner ear shows shared characteristics with the Equoidea ; they may be a basal ungulate group near to perissodactyls.
List of genera
Hyopsodontidae (= Mioclaenidae) • Lessnessina • ?Oxytomodon • ?Oxyprimus Hyopsodontinae • Hyopsodus • Mioclaeninae • Valenia • Tiznatzinia • Bomburia • Choeroclaenus • Promioclaenus • Ellipsodon • Mioclaenus • Litaletes Kollpaninae • Tiuclaenus • Pucanodus • Molinodus • Andinodus • Simoclaenus • Escribania Pleuraspidotheriinae • Bubogonia • Protoselene • Pleuraspidotherium • Orthaspidotherium Apheliscidae • Litomylus • Aletodon • Haplaletes • Utemylus • Dorraletes • Haplomylus Apheliscinae • Gingerichia • Phenacodaptes • Apheliscus Louisininae • Paschatherium • Dipavali • Louisina • Microhyus • Monshyus Tricuspiodontinae • Paratricuspiodon • Tricuspiodon ==References==