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This research investigates the evolutionary phenomenon of molarization in ungulates' cheek teeth.

You should look a gift ungulate in the mouth: Using 2D occlusal cheek tooth morphology to study the evolution of molarization in ungulates

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Randomized trial explores molarization in ungulates, suggesting insights into tooth evolution.

This research investigates the evolutionary phenomenon of molarization in ungulates' cheek teeth.
Applied a 2D landmarking scheme to examine upper and lower molar boundaries in ungulates.
Conducted phylogenetically informed modularity analyses to evaluate covariation at premolar-molar boundaries.
Developed a theoretical framework considering the inhibitory and patterning cascade models for analysis.
Both artiodactyls and perissodactyls exhibited modularity in premolar-molar boundaries, with variations noted in the upper region.
Artiodactyls demonstrated consistent modularity support compared to the varied support in perissodactyls.
Findings indicate both convergent and divergent evolutionary patterns affecting molarization.

Ashbaugh et al. (2026) studied this question.

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