Prorastomidae

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Prorastomidae est familia mammalium sirenium exstincta.

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: Prorastomidae
                                                    • Genus: Pezosiren (exstincta)
                                                    • Genus: Prorastomus (exstincta)

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