Family Opisthocomidae Swainson 1837 (bird)
PaleoDB taxon number: 39307
Parent taxon: Opisthocomiformes according to B. C. Livezey and R. L. Zusi 2007
Sister taxa: none
Subtaxa: Hoazinoides, Opisthocomus
Type: Opisthocomus
Ecology: volant folivore