title: [Characteristics of tooth system in gekkonid lizards ( Teratoscincus, Gekkonidae) and other lizards (Gekkota, Sauria, Reptilia)].
abstract: The dentition and tooth crown microstructure of gekkonids and eublepharids are examined. Scanning electron microscopy shows that the lingual surface of teeth in these lizards has one, two, or, occasionally, several cusps separated by grooves. The teeth of geckoes usually have two (lingual and labial) cusps in the apical region. With respect to the number of teeth, the majority of Gekkota fall into two groups. The first includes a few species with many teeth (50 or more) in the dentary and maxilla, the eublepharids Goniurosaurus and Aeluroscalabotes, and the gekkonid Cyrtopodion louisiadensis. The second group, comprising most of the species, is subdivided into two subgroups, species with 20-30 or 30-40 teeth in jaw bones. Teratoscincus belongs to the first subgroup of the second group.
authors.forename: N G
authors.initials: NG
authors.lastname: Nikitina
authors.forename: N B
authors.initials: NB
authors.lastname: Anan'eva
mesh_terms: D000818:Animals; D003817:Dentition; D007568:Jaw / Q000033:anatomy & histology; D008116:Lizards / Q000033:anatomy & histology* / Q000145:classification*; D008855:Microscopy, Electron, Scanning; D009805:Odontogenesis / Q000502:physiology*; D010802:Phylogeny; D014070:Tooth / Q000033:anatomy & histology* / Q000648:ultrastructure