Family Gaviidae Allen 1897 (loon)
PaleoDB taxon number: 39707
Parent taxon: Gaviiformes according to J. F. Clements et al. 2017
Sister taxa: Lonchodytidae, Petralca
Subtaxa: Colymbiculus, Colymboides, Gavia, Gaviellinae, Gaviinae
Ecology: ground dwelling carnivore