Metacheiromyidae

Metacheiromyidae Temporal range: late Paleocene to middle Eocene
Reconstruction of Metacheiromys marshi
skull of Palaeanodon ignavus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Palaeanodonta
Family:	†Metacheiromyidae Wortman, 1903
Type genus
†Metacheiromys Wortman, 1903
Genera
[see classification]
Synonyms
Metachiromyidae (Wortman, 1903)

Metacheiromyidae ("next to Cheiromys") is an extinct paraphyletic family of myrmecophagous placental mammals within extinct order Palaeanodonta, that lived in North America and Europe from the late Paleocene to middle Eocene.

Classification and phylogeny

Taxonomy

• Family: †Metacheiromyidae ^{(paraphyletic family)} (Pilgrim, 1932)
  • Genus: †Brachianodon (Gunnell & Gingerich, 1993)
    • †Brachianodon westorum (Gunnell & Gingerich, 1993)
  • Genus: †Mylanodon (Secord, 2002)
    • †Mylanodon rosei (Secord, 2002)
  • Subfamily: †Metacheiromyinae ^{(paraphyletic subfamily)} (Wortman, 1903)
    • Genus: †Metacheiromys (Wortman, 1903)
      • †Metacheiromys dasypus (Osborn, 1904)
      • †Metacheiromys marshi (Wortman, 1903)
    • Genus: †Palaeanodon (Matthew, 1918)
      • †Palaeanodon ignavus (Matthew, 1918)
      • †Palaeanodon nievelti (Gingerich, 1989)
      • †Palaeanodon parvulus (Matthew, 1918)
      • †Palaeanodon sp. [Le Quesnoy] (Gheerbrant, 2005)
  • Subfamily: †Propalaeanodontinae (Schoch, 1984)
    • Genus: †Propalaeanodon (Rose, 1979)
      • †Palaeanodon parvulus (Rose, 1979)

Phylogenetic tree

The phylogenetic relationships of family Metacheiromyidae are shown in the following cladogram:

Ferae	Pan-Carnivora  Pholidotamorpha  Pholidota (sensu stricto)  †Palaeanodonta  †Escavadodontidae  ?  †Melaniella †Amelotabes †Epoicotheriidae †Epoicotherium †Molaetherium †Xenocranium †Epoicotheriinae †Tetrapassalus †Dipassalus †Alocodontulum †Auroratherium †Pentapassalus †Tubulodon  ?  †Arcticanodon  †Propalaeanodontinae   †Propalaeanodon  †Propalaeanodon schaffi  †Mylanodon  †Mylanodon rosei  †Brachianodon  †Brachianodon westorum  †Palaeanodon  †Palaeanodon nievelti  ?  †Palaeanodon sp. (Le Quesnoy) †Palaeanodon ignavus †Palaeanodon parvulus †Metacheiromyinae  †Metacheiromys  †Metacheiromys dasypus †Metacheiromys marshi †Ernanodontidae  (Pholidota sensu lato)	†Epoicotherium/Xenocranium clade †Metacheiromyidae

See also

• Mammal classification
• Palaeanodonta