†Lessnessina Hooker 1979 (condylarth)
Mammalia - Theriiformes - Hyopsodontidae
Parent taxon: Hyopsodontidae according to T. E. Williamson and A. Weil 2011
Sister taxa: Bubogonia, Chacomylus, Choeroclaenus, Hyopsodontinae, Hyopsodus, Litaletes, Midiagnus, Mioclaeninae, Mioclaenus, Molinodus, Oxytomodon, Palasiodon, Pleuraspidotheriinae, Promioclaenus, Protoselene, Tricuspiodontinae, Valenia, Yuodon, Abdounodus, Kollpaniinae
Subtaxa: Lessnessina packmani
Type: Lessnessina packmani
Ecology: scansorial omnivore