Protosiren

Protosiren (binomen ab Abel, 1907) est exstincta sireniorum familia.

 Systema taxinomicum Animalis 
 Imperium: Eucaryota
 Regnum: Animalia
 Gradus: Metazoa
 Subgradus: Eumetazoa
 Subregnum: Bilateria
 Infraregnum: Eucoelomata
 Supraphylum: Deuterostomia
 Infraphylum: Chordonia
 Phylum: Chordata
 Subphylum: Vertebrata
 Infraphylum: Gnathostomata
 Supraclassis: Tetrapoda
 Infraclassis: Amniota
 Ramus: Mammaliaformes
 Classis: Mammalia
 Subclassis: Theriiformes
 Infraclassis: Holotheria
 Supralegion: Trechnotheria
 Legion: Cladotheria
 Sublegion: Zatheria
 Infralegion: Tribosphenida
 Supracohort: Theria
 Cohort: Placentalia
 Superordo: Afrotheria
 Ordo: Sirenia
 Familia: Protosirenidae
 Genus: Protosiren (Abel, 1907)

 Species 
 Protosiren minima (Desmarest, 1822) 
 Protosiren sattaensis 
 Protosiren fraasi (Abel, 1907) 
 Protosiren smithae (Domning & Gingerich, 1994) 

categoria:Sirenia