Gryphoca Temporal range: Miocene–Pliocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Clade:	Pinnipedia
Family:	Phocidae
Subfamily:	Phocinae
Genus:	†Gryphoca van Beneden, 1876
Species
G. similis van Beneden, 1876 (type species) G. nordica Koretsky, Rahmat, and Peters, 2014

Gryphoca is an extinct genus of earless seals from Neogene marine deposits in the North Sea basin.

Fossils

There are two recognized species of Gryphoca, G. similis and G. nordica. G. similis is known from Pliocene marine deposits in the Antwerp region of Belgium, while fossils of P. nordica have been found in the Tortonian-age Gram Formation in Denmark.^[1]^[2]

References

^ Van Beneden, P-J. (1877). "Description des ossements fossiles des environs d’Anvers. Première partie: Pinnipèdes ou amphithériens". Annales du Musée Royal d’Histoire Naturelle de Belgique 1:1–88.
^ I. Koretsky, S. Rahmat, and N. Peters (2014). "Rare late Miocene seal taxa (Carnivora, Phocidae) from the North Sea Basin". Vestnik zoologii 48(5):419–432. doi:10.2478/vzoo-2014-0050 S2CID 86558045

Genera of pinnipeds and their stem-allies

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Suborder: Caniformia
Infraorder: Arctoidea

Pan-Pinnipedia

†Amphicynodontidae	Allocyon Amphicticeps Amphicynodon Drassonax Kolponomos Pachycynodon Parictis Wangictis
†Semantoridae	Necromites Potamotherium Puijila Semantor

Pinnipedimorpha

†Enaliarctos

Pinnipediformes

†Pacificotaria
†Pinnarctidion
†Pteronarctos

Pinnipedia

Phocidae

†Devinophoca

Monachinae

†Magnotherium
Monachini	†Afrophoca †Auroraphoca †Messiphoca Monachus Neomonachus †Eomonachus †Noriphoca †Palmidophoca †Pliophoca †Pontophoca †Pristiphoca †Terranectes
Miroungini	†Callophoca Mirounga
Lobodontini	†Acrophoca †Australophoca †Hadrokirus †Homiphoca Hydrurga Leptonychotes Lobodon Ommatophoca †Piscophoca †Properiptychus †Virginiaphoca

Phocinae

†Cryptophoca †Frisiphoca †Kawas †Leptophoca †Monachopsis †Monotherium †Phocanella †Prophoca †Sarmatonectes
Erignathini	Erignathus †Platyphoca
Cystophorini	Cystophora †Miophoca †Pachyphoca
Phocini	†Batavipusa †Gryphoca Halichoerus Histriophoca †Nanophoca Pagophilus Phoca †Planopusa †Praepusa Pusa

Otarioidea	see below↓

Otarioidea

†Desmatophocidae

Allodesmus
Atopotarus
Desmatophoca
Eodesmus

Odobenidae

†Archaeodobenus
†Imagotaria
†Kamtschatarctos
†Nanodobenus
†Neotherium
†Osodobenus
†Pelagiarctos
†Pontolis
†Proneotherium
†Prototaria
†Pseudotaria
†Titanotaria

Neodobenia

†Dusignathinae	Dusignathus Gomphotaria
Odobeninae	†Aivukus Odobenus †Ontocetus †Pliopedia †Protodobenus †Valenictus

Panotariidae

†Eotaria

Otariidae

Callorhinae

Callorhinus
†Pithanotaria

Otariinae

†Thalassoleon
Zalophini	Eumetopias †Oriensarctos †Proterozetes Zalophus
Otariini	Arctocephalus Arctophoca †Hydrarctos Neophoca Otaria Phocarctos

Lists
List of pinnipeds List of fossil pinnipedimorphs