†Sivaonyx Pilgrim 1931 (otter)
Mammalia - Carnivora - Mustelidae
Parent taxon: Enhydriodontini according to M. Pickford 2007
Sister taxa: Enhydriodon, Paludolutra, Vishnuonyx
Subtaxa: Sivaonyx bathygnatha, Sivaonyx gandakasensis, Sivaonyx hendeyi, Sivaonyx hessicus, Sivaonyx kamuhangirei, Sivaonyx senutae, Sivaonyx soriae
Ecology: scansorial carnivore-omnivore