Full reference: T. Gill. 1871. Synopsis of the primary subdivisions of the cetaceans. Communications of the Essex Institute 6:121-126
Parent taxon: Kogiidae according to A. Collareta et al. 2017
See also Barnes 1973, Benites-Palomino et al. 2021, Bianucci and Landini 2007, Bloodworth and Odell 2008, Collareta et al. 2019, Ellerman and Morrisson-Scott 1951, Fordyce and de Muizon 2001, Fraser and Purves 1960, Gill 1871, Gill 1872, Kasuya 1973, Luo and Marsh 1996, McKenna and Bell 1997, Muizon 1990, Scheffer and Rice 1963, Simpson 1945, True 1908 and Whitmore and Kaltenbach 2008
Sister taxa: Aprixokogia, Scaphokogiinae
Subtaxa: Kogia Koristocetus Nanokogia Pliokogia Praekogia
Ecology: aquatic carnivore
Distribution:
• Quaternary of Brazil (1 collection), India (2), Japan (1), Mexico (2), New Caledonia (7), New Zealand (1), Peru (1), South Africa (3), the United Kingdom (1), United States (1: Maine)
• Pliocene of Italy (4), Japan (1), Morocco (1), United States (1: North Carolina)
• Neogene of Madagascar (1), South Pacific (1)
• Miocene of Italy (1), Mexico (2), New Zealand (1), Panama (2), Peru (2)
Total: 37 collections including 42 occurrences