Taxinomia et Latinitas huius stipulae dubiae sunt
Taxinomiam e fontibus fidelibus verifica, in textum seu capsam converte, citationes adde si potes.

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)

Haec stipula ad biologiam spectat. Amplifica, si potes!