Thecodont dentition

Thecodont dentition is a morphological arrangement in which the base of the tooth is completely enclosed in a deep socket of bone, as seen in crocodilians, dinosaurs and mammals, and opposed to acrodont and pleurodont dentition seen in squamate reptiles.^[1] Notably, this appears to be the ancestral tooth condition in Amniota.^[2] This morphology was once used as a basis for the now-defunct taxonomic group Thecodontia.

References

^ "Palaeos Vertebrates > Bones > Teeth: Tooth Implantation". Palaeos: Life through Deep Time. Retrieved 30 November 2022.
^ Bertin, Thomas J. C.; Thivichon-Prince, Béatrice; LeBlanc, Aaron R. H.; Caldwell, Michael W.; Viriot, Laurent (2018). "Current Perspectives on Tooth Implantation, Attachment, and Replacement in Amniota". Front. Physiol. 9: 1630. doi:10.3389/fphys.2018.01630. PMC 6258785. PMID 30519190.

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[1] "Palaeos Vertebrates > Bones > Teeth: Tooth Implantation". Palaeos: Life through Deep Time. Retrieved 30 November 2022.

[2] Bertin, Thomas J. C.; Thivichon-Prince, Béatrice; LeBlanc, Aaron R. H.; Caldwell, Michael W.; Viriot, Laurent (2018). "Current Perspectives on Tooth Implantation, Attachment, and Replacement in Amniota". Front. Physiol. 9: 1630. doi:10.3389/fphys.2018.01630. PMC 6258785. PMID 30519190.

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