Tribe Cystophorini Gray 1866
Mammalia - Carnivora - Phocidae
Full reference: J. E. Gray. 1866. Catalogue of Seals and Whales in the British Museum 1-402
Parent taxon: Phocinae according to A. Berta et al. 2018
See also Burns and Fay 1970, Davis et al. 2004, Fulton and Strobeck 2010, Kovacs and Lavigne 1986 and Muizon 1981
Sister taxa: Batavipusa, Cryptophoca, Cystophora, Erignathini, Erignathus, Frisiphoca, Gryphoca, Halichoerus, Histriophoca, Kawas, Leptophoca, Leptophoca amphiatlantica, Monachopsis, Nanophoca, Necromites, Pagophilus, Phoca, Phocanella, Phocini, Platyphoca, Praepusa, Prophoca, Pusa, Sarmatonectes
Subtaxa: Pachyphoca
Distribution:
• Miocene of the Russian Federation (1 collection), Ukraine (4)
Total: 5 collections including 6 occurrences