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Colodon

From Wikipedia, the free encyclopedia
Extinct genus of mammals

Colodon
Temporal range: LateEocene - EarlyOligocene
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Perissodactyla
Family:Helaletidae
Genus:Colodon
Marsh, 1890
Type species
Colodon occidentalis
Leidy, 1868
Species[1]
  • C. angulatus
  • C. kayi
  • C. occidentalis
  • C. stovalli
  • C. woodi

Colodon is an extinct genus of herbivorous mammals that were related totapirs of today.[2]

Taxonomy

[edit]

Species ofColodon were originally placed within the genusLophiodon but were later found to be distinct.[3]

Description

[edit]

Colodon had small or absent canines and short, broad cheek teeth. The skull had a greatly enlarged narial incision and greatly reduced nasals. Similarities between the skulls ofColodon and true tapirs suggest it may have had a very small trunk as well.[3]

Colodon first appeared in the Late Eocene and lasted until theWhitneyan.

References

[edit]
  1. ^"Fossilworks: Colodon".
  2. ^L. T. Holbrook. 1999. The Phylogeny and classification of tapiromorph perissodactyls (Mammalia). Cladistics 15(3):331-350
  3. ^abBenton, Rachel C. (2015).The White River Badlands: Geology and Paleontology. Indiana University Press. p. 156.ISBN 9780253016089.
Incertae sedis
Anthracobunia
Anthracobunidae
Cambaytheriidae
Brontotheriidae
Equoidea
Equidae
Palaeotheriidae
Pachynolophinae
Palaeotheriinae
Hyopsodontidae?
Phenacodontidae?
Meniscotheriinae
Phenacodontinae
Tapiromorpha
    • See below↓
Palaeotherium medium

Hyopsodus sp.

Meniscotherium chamense
Incertae sedis
Isectolophidae
Homogalaxinae
Isectolophinae
Ancylopoda
Ceratomorpha
Tapiroidea
Deperetellidae
Helaletidae
Tapiridae
Rhinocerotoidea
    • See below↓
Heptodon posticusTapirus augustus
Rhinocerotoideasensu lato
Indolophidae
Rhinocerotoidea
sensu stricto
Hyrachyidae
Eggysodontidae
Hyracodontidae
Amynodontidae
Amynodontinae
Cadurcodontini
Metamynodontini
Paraceratheriidae
Forstercooperiinae
Paraceratheriinae
Rhinocerotidae
    • See below↓
Hyracodon nebraskensisParaceratherium transouralicum
Aceratheriinae
Elasmotheriinae
Diceratheriini
Elasmotheriini
Rhinocerotinae
Teleoceratini
Rhinocerotina
Dicerorhinini
Dicerotini
Rhinocerotini
Coelodonta antiquatisElasmotherium caucasicum
Colodon


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