Definition of Protosirenidae. Meaning of Protosirenidae. Synonyms of Protosirenidae

- Protosirenidae is an extinct primitive family of the order Sirenia. Protosirenids are thought to have been amphibious quadrupeds, meaning that they spent...
- †Embrithopoda †Phenacolophidae †Arsinoitheriidae order Sirenia †Prorastomidae †Protosirenidae (Dugongidae?) Dugongidae Trichechidae order Proboscidea †Phosphatheriidae...
- manatee, and West African manatee) with a total of four species. The Protosirenidae (Eocene sirenians) and Prorastomidae (terrestrial sirenians) families...
- †Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...
- Eocene. The earliest known sea cows, of the families Prorastomidae and Protosirenidae, are both confined to the Eocene, and were about the size of a pig,...
- †Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...
- Jonathan (2010). "A stratigraphically precise record of Protosiren (Protosirenidae, Sirenia) from North America". Neues Jahrbuch für Geologie und Paläontologie...
- †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...
- Protosirenidae...