Thylamys

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Thylamys is a genus of opossums in the family Didelphidae. The premaxillae are rounded rather than pointed. The females lack a pouch. The females' nipples are arranged in two symmetrical rows on the abdomen.[1] All species but T. macrurus store fat in their tails,[2] although this is not necessarily true for all species in the genus.[3] Fossils belonging to the genus date back to the Miocene, with the oldest specimens being found in the Cerro Azul Formation of Argentina and the Honda Group of Colombia.[4] Genetic studies indicate that the genus may have originated around 14 million years ago.[5]

Taxonomy

Cladogram of living Thylamys species.[6][7] Script error: No such module "Clade".

Other species of Thylamys.[8]

  • T. colombianus Goin 1997Script error: No such module "Check for unknown parameters".
  • T. fenestrae (Marelli 1932)Script error: No such module "Check for unknown parameters". [9]
  • T. minutus Goin 1997Script error: No such module "Check for unknown parameters".
  • T. pinei Goin, Montalvo & Visconti 2000Script error: No such module "Check for unknown parameters".
  • T. zettii Goin 1997Script error: No such module "Check for unknown parameters".

References

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  8. Thylamys at Fossilworks.org
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