Class Mammalia Linnaeus, 1758 - mammals
Count: [*†*] 1o; †19o;15f;16g
   Subclass †"Apotheria" Averianov & Lopatin, 2011 [paraphyletic]
  Count: [†*] †7o;2f;7g [26 Jun 2022]
     Superorder †"Archaeotriconodonta" Averianov & Lopatin, 2011 [paraphyletic]
    Count: [†*] †4o;5g [25 Jun 2022]
       Order †Morganucodonta Kermack, Mussett & Rigney, 1973 [paraphyletic]
      Count: [†*] †3g
         Genus †Erythrotherium Crompton, 1964
        Count: -