tarsometatarsus of Phocavis shared similarities with that of the Eocene frigatebird Limnofregata, and tentatively assigned Phocavis as the sister taxon...

bone-eating worm Osedax in bird bones. The earliest known member of the family, Phocavis maritimus lived in the late Eocene, but most of the known species lived...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

near the Whiskey Creek locality, and potentially older than the primitive Phocavis, it was only referred to ?K. clarki due to its large size, as the material...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

heavy. The tarsometatarsus was more robust and less elongated than in Phocavis, but was nearly undistinguishable to that of the paratype of C. hexeris...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...

group including all plotopterids, aside from Phocavis and Plotopterum ; it has been suggested that Phocavis maritimus may be synonymous with Tonsala hildegardae...

Hasegawa 1996 †Hokkaidornis abashiriensis Sakurai, Kimura & Katoh 2008 †Phocavis maritimus Goedert 1988 †Plotopterum joaquinensis Howard 1969 †Tonsala Olson...

Poikilocarbo †Praecarbo Urile †Valenticarbo †Plotopteridae Empeirodytes Phocavis Plotopterum Stemec Stenornis Sulidae †Bimbisula †Empheresula †Enkurosula...