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Didymoconidae

Extinct family of mammals From Wikipedia, the free encyclopedia

Didymoconidae
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Didymoconidae is an extinct family of eutherian mammals that first appeared during the Paleocene epoch and survived into the latest Oligocene epoch. Its classification has been the subject of controversy, and the family has been placed in various orders since it was erected in 1943, sometimes being placed in its own order Didymoconida.[1]

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Taxonomic history

Due to an array of similarities and differences to various mammalian groups, Didymoconidae has been placed in various orders. The type genus, Didymoconus, was considered to belong in the family Oxyaenidae when it was initially described in 1924.[2] The family Didymoconidae was only erected in 1943 by Kretzoi, who thought it was a carnivoran and placed it in Caniformia. Other authors have assigned the family to the abandoned order Insectivora, Mesonychia, Arctocyonia, Palaeoryctoidea, Leptictida or even placed it in its own order Didymoconida.[1]

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Classification

  • Subfamily Ardynictinae
    • Archaeoryctes
    • Ardynictis
    • Hunanictis
    • Jiajianictis
    • Mongoloryctes
    • Wanolestes
    • Zeuctherium
  • Subfamily Didymoconinae
  • Subfamily Kennatheriinae
    • Erlikotherium
    • Kennatherium
    • Khaichinula

The following cladogram follows Missiaen et al. (2013):[3]

Didymoconidae

Archaeoryctes

Zeuctherium

Ardynictinae

Wanolestes

Ardynictis

Jiajianictis

Kennatheriinae

Erlikotherium

Kennatherium

Khaichinula

Didymoconinae

Ergilictis

Didymoconus

Archaeomangus

Tshotgoria

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References

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