Superfamily Balaenopteroidea Gray 1868 (whale)
Full reference: J. E. Gray. 1868. Synopsis of the species of whales and dolphins in the Collection of the British Museum 1-10
Parent taxon: Balaenomorpha according to O. Hampe and I. Ritsche 2011
Sister taxa: Plicogulae, Thalassotherii
Subtaxa: Eobalaenoptera, Heterocetus
Ecology: aquatic carnivore-suspension feeder