Order Heteronychae Gray 1821 (placental)
Full reference: J. E. Gray. 1821. On the natural arrangement of vertebrose animals. The London Medical Repository Monthly Journal and Review 15:296-310
Parent taxon: Quadrumanes according to J. E. Gray 1821
Sister taxa: Gampstonychae, Platyonychae
Subtaxa: none
Ecology: scansorial insectivore
Distribution: there are no occurrences of Heteronychae in the database