Pezosiren portelli, also known as the "walking manatee", is a basal sirenian from the early Eocene of Jamaica, 50 million years ago. The type specimen...

Prorastomus is one of two genera of the family Prorastomidae, the other Pezosiren. These two species are the oldest sirenians, dating to the Eocene. The...

fossils of Sirenians, represented in two genera: Pezosiren Pezosiren comprises one known species, Pezosiren portelli, that was discovered in modern-day Jamaica...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

fraasi †P. minima †P. sattaensis †P. smithae †Family Prorastomidae: Genus †Pezosiren †P. portelli Genus †Prorastomus †P. sirenoides Distribution The warm shallow...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

for the femur is well developed and the femur itself resembles that of Pezosiren and protosirenids, however with a hemispherical head. Despite still being...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

has been recovered from Spain. The first known quadrupedal sirenian was Pezosiren from the early Eocene. The earliest known sea cows, of the families Prorastomidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

portal Paleontology portal Prehistoric mammals portal Eionaletherium Pezosiren Metamynodon Desmostylia Thalassocnus. Fossilworks. Retrieved 25 August...

1902 [Archaeosiren Abel 1913] Family †Prorastomidae Cope 1889 Genus †Pezosiren Domning 2001 Genus †Prorastomus Owen 1855 Family †Protosirenidae Sickenberg...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

World (such as cetaceans). The first known quadrupedal sirenian was †Pezosiren from the early middle Eocene. The earliest known sea cows, of the families...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...