†subfamily Colymboidinae (loon)
Aves - Gaviiformes - Gaviidae
Parent taxon: Gaviidae according to J. Cheneval 1984
See also Harrison and Walker 1976
Sister taxa: Colymbiculus, Colymboides, Gavia, Gaviellinae, Gaviinae
Subtaxa: none
Ecology: ground dwelling carnivore
Distribution: there are no occurrences of Colymboidinae in the database