Biology:Metacheiromyinae

Short description: Extinct family of mammals

Metacheiromyinae Temporal range: 56.0–46.2 Ma PreЄ Є O S D C P T J K Pg N early 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
Subfamily:	†Metacheiromyinae Wortman, 1903
Type genus
†Metacheiromys Wortman, 1903
Genera
†Metacheiromys †Palaeanodon

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

Classification and phylogeny

Taxonomy

• 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)

Phylogenetic tree

The phylogenetic relationships of subfamily Metacheiromyinae 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       †Mylanodon       †Brachianodon         †Palaeanodon      †Palaeanodon nievelti    ?  †Palaeanodon sp. (Le Quesnoy)       †Palaeanodon ignavus     †Palaeanodon parvulus         †Metacheiromyinae      †Metacheiromys    †Metacheiromys dasypus     †Metacheiromys marshi       †Ernanodontidae                    (Pholidota sensu lato)

See also

• Mammal classification
• Metacheiromyidae