Most xenarthrans have a reduced and simplified dentition that lacks enamel. However, the
presence of prismatic enamel has been recorded in the Eocene armadillos Utaetus …

A striking difference between xenarthrans and other mammals is the complete loss of tooth
enamel in all members but the earliest armadillos. However, sloth and armadillo teeth show …

All xenarthrans known to date are characterized by having permanent teeth that are both
high crowned and open rooted, ie, euhypsodont, and with a type of hypsodonty different …

Amniota, the group consisting of reptiles, birds, and mammals, is characterized by monotypic
enamel, a hypermineralized tissue secreted exclusively by ectodermal cells, the …

Enamel is the hardest tissue in the vertebrate body. Although variation in enamel
microstructure is often linked with diet, the gross proportions of the tissues that compose …

The tooth enamel microstructure of all the dinosaur taxa that are adequately represented in
the American Museum of Natural History collections were analyzed using scanning electron …

The earliest representatives of Theridomyidae (belonging to the subfamilies
Issiodoromyinae, Theridomyinae, Sciuroidinae, Pseudosciurinae, and Remyinae) from the …

Incisor enamel microstructures of three euharamyidans, Shenshou lui, Xianshou linglong,
and X. songae, from the early Late Jurassic Yanliao Biota, Liaoning Province, China, are …

The evolution of tooth enamel microstructure in both extinct and extant mammalian groups
has been extensively documented, but is poorly known in reptiles, including dinosaurs …

There has been confusion or disagreement regarding the occurrence of prismatic enamel in
reptiles, non-mammalian synapsids, and early mammals, such that recent cladistic analyses …