Archivo: Heterodontosaurus tooth wear

Description: Occlusion and wear between maxillary and dentary teeth in Heterodontosaurus tucki. Reconstruction of left maxillary and dentary teeth in anterior view at different stages of wear A Dentition in a subadult with unworn crowns and near vertical occlusal plane with dashed lines indicating the occlusal surface of a worn crown (based on AMNH 24000) B Worn crowns from the middle of the tooth rows showing labiolingually concave wear facets, which are more concave in dentary than maxillary crowns (based on SAM-PK-K1332). The dentary tooth is shown at the initiation and conclusion of a masticatory stroke, with a dashed line showing the tooth margin hidden from view and registration dots and an arrow indicating tooth movement during occlusion.
Title: Heterodontosaurus tooth wear
Credit: Sereno PC (2012) Taxonomy, morphology, masticatory function and phylogeny of heterodontosaurid dinosaurs. ZooKeys 226: 1-225. doi:10.3897/zookeys.226.2840.
Author: Carol Abraczinskas, Paul C. Sereno
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