Tytthaena

Tytthaena
Temporal range: Paleocene,[1] 61.7–55.8 Ma
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:†Creodonta
Family:†Oxyaenidae
Subfamily:†Tytthaeninae
Genus:†Tytthaena
Gingerich, 1980
Type species
†Tytthaena parrisi
Species
  • T. parrisi Gingerich, 1980[2]
  • T. lichna (Rose, 1981)[3]

Tytthaena is an extinct genus of oxyaenid from the late Paleocene of North America.[1] Two species are known, T. parrisi and T. lichna.

Description

Tytthaena is the smallest oxyaenid known. Morphologically, it resembles Oxyaena. It can be distinguished from other oxyaenids by its size and dentition. Its molars were narrow, with elongate talonids.[2][3]

References

  1. 1 2 "Tytthaena". Fossilworks.
  2. 1 2 P. D. Gingerich. 1980. Tytthaena parrisi, Oldest Known Oxyaenid (Mammalia, Creodonta) from the Late Paleocene of Western North America. Journal of Paleontology 54(3):570-576
  3. 1 2 K. D. Rose. 1981. The Clarkforkian Land-Mammal Age and Mammalian Faunal Composition Across the Paleocene-Eocene Boundary. University of Michigan Papers on Paleontology 26:1-197


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