Article · Wikipedia archive · Last revised Jul 22, 2026

Theroteinus

Theroteinus is an extinct genus of haramiyidan mammaliaforms from the Late Triassic of France and Britain. It contains three species: T. nikolai, T. rosieriensis and T. jenkinsi, the former two of which are known exclusively from teeth found at the sand quarry of Saint-Nicolas-de-Port, while T. jenkinsi is known from a bedded sequence belonging to the Westbury Formation in a road cutting near Holwell, Dorset. Theroteinus is the only member of the family Theroteinidae and the suborder Theroteinida.

Last revised
Jul 22, 2026
Read time
≈ 1 min
Length
199 w
Citations
4
Source
Theroteinus
Temporal range:
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Clade: Cynodontia
Clade: Mammaliaformes
Order: Haramiyida
Suborder: Theroteinida
Hahn et al., 1989
Family: Theroteinidae
Sigogneau-Russell et al., 1986
Genus: Theroteinus
Sigogneau-Russell et al., 1986
Type species
Theroteinus nikolai
Sigogneau-Russell et al., 1986
Other species
  • T. rosieriensis Debuysschere, 2016
  • T. jenkinsi Whiteside & Duffin, 2021

Theroteinus is an extinct genus of haramiyidan mammaliaforms from the Late Triassic of France and Britain. It contains three species: T. nikolai, T. rosieriensis and T. jenkinsi, the former two of which are known exclusively from teeth found at the sand quarry of Saint-Nicolas-de-Port,12 while T. jenkinsi is known from a bedded sequence belonging to the Westbury Formation in a road cutting near Holwell, Dorset.3 Theroteinus is the only member of the family Theroteinidae and the suborder Theroteinida.1

References

References