Thereuodon
Thereuodon Temporal range:
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Scientific classification![]() | |
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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Thereuodonis agenusofextinctmammalknown from theEarly Cretaceousof southernEngland,MoroccoandFrance.[1]The type species, named by Denise Sigogneau-Russell in1989for teeth from the earliest CretaceousKsar Metlili Formationof Morocco, isThereuodon dahmani,while the referred species named by Sigogneau-Russell and Paul Ensom for teeth from theLulworth Formationof England isThereuodon taraktes.The two species are separated by a break in thecinguluminT. dahmani,a more obtuse medial crest inT. taraktes,a duller stylocone inT. taraktes,a "c" cuspule inT. dahmani,and a reduced facet A inT. taraktes.The genusThereuodonis the only taxon in thesymmetrodontfamilyThereuodontidae,which may be closely related toSpalacotheriidae.[2]A tooth referred toT. cf. taraktesis known from the Berriasian agedAngeac-Charente bonebedof France.[1]
References
[edit]- ^abAllain, 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.S2CID251106920.
- ^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.