Thereuodon is a genus of extinct mammal known from the Early Cretaceous of southern England, Morocco and France.[1] The type species, named by Denise Sigogneau-Russell in 1989 for teeth from the earliest Cretaceous Ksar Metlili Formation of Morocco, is Thereuodon dahmani, while the referred species named by Sigogneau-Russell and Paul Ensom for teeth from the Lulworth Formation of England is Thereuodon taraktes. The two species are separated by a break in the cingulum in T. dahmani, a more obtuse medial crest in T. taraktes, a duller stylocone in T. taraktes, a "c" cuspule in T. dahmani, and a reduced facet A in T. taraktes. The genus Thereuodon is the only taxon in the symmetrodont family Thereuodontidae, which may be closely related to Spalacotheriidae.[2] A tooth referred to T. cf. taraktes is known from the Berriasian aged Angeac-Charente bonebed of France.[1]
| Thereuodon Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | †Symmetrodonta |
| Family: | †Thereuodontidae Sigogneau-Russel & Ensom, 1998 |
| Genus: | †Thereuodon Sigogneau-Russell, 1989 |
| Species | |
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References
edit- ^ a b Allain, Ronan; Vullo, Romain; Rozada, Lee; et al. (2022). "Vertebrate paleobiodiversity of the Early Cretaceous (Berriasian) Angeac-Charente Lagerstätte (southwestern France): implications for continental faunal turnover at the J/K boundary" (PDF). Geodiversitas. 44 (25): 683–752. doi:10.5252/geodiversitas2022v44a25. S2CID 251106920.
- ^ Sigogneau-Russell, D.; Ensom, P.C. (1998). "Thereuodon (Theria, Symmetrodonta) from the Lower Cretaceous of North Africa and Europe, and a brief review of symmetrodonts". Cretaceous Research. 19 (3–4): 445–470. Bibcode:1998CrRes..19..445S. doi:10.1006/cres.1998.0115.
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