Castorocauda

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Castorocauda
Temporal range: Upper Jurassic
Scientific classification
Kingdom: Animalia
Subphylum: Vertebrata
Class: Synapsida
(unranked): Mammaliaformes
Order: Docodonta
Family: Docodontidae
Genus: Castorocauda
Ji et al., 2006
Species
  • C. lutrasimilis Ji et al., 2006 (type)

Castorocauda was a genus of small, semi-aquatic relative of mammals which lived in the Jurassic period, around 154 million years ago.

Its fossil was found in lakebed sediments of the Daohugou Beds of Inner Mongolia. Castorocauda was highly specialized, with adaptations like those of modern semi-aquatic mammals such as beavers, otters, and the platypus (convergent evolution). It is the earliest animal found with fur. [1][2]

Castorocauda is one of the near-mammals in a group called the Docodonta.[2]

References[change | change source]