Tytthaena

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

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]

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. "Tytthaena". Fossilworks.
  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. 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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