Researchers found that complex teeth, a hallmark of mammals, also evolved several times in reptiles, prompting the evolutionary success of plant-eating lizards. However, contrary to mammals their ...

A rare dental developmental abnormality, known as a protostylid and characterized as an extra cusp, caused a woman’s apical periodontitis, according to a case report published on August 28 in BMC Oral ...

The horizontal axis represents cusp index, an index for cusp development, and the vertical axis represents the proportion of zooplankton in each seal's diet. Ishihara U, Miyazaki N, Yurkowski DJ, ...

Scientists have described the earliest known example of dentary bone with two rows of cusps on molars and double-rooted teeth. The new findings offer insight into mammal tooth evolution, particularly ...

Goldstein, Marcus S. 1931. "The cusps in the mandibular molar teeth of the Eskimo." American Journal of Physical Anthropology, 16, (2) 215–235.

AQUARTER of a century ago next April, the late Prof. E. D. Cope, struck by the remarkable fact that the molar teeth, both upper and lower, of all the mammals from the Puerco or lowest Eocene horizon ...

Researchers at the Universities of Helsinki and Lyon and the Geological Survey of Finland found that complex teeth, a hallmark of mammals, also evolved several times in reptiles, prompting the ...