Tracheloptychus

Tracheloptychus is a small genus of lizards in the family Gerrhosauridae. The genus is endemic to Madagascar.

Species
There are two species which are recognized as being valid.
 * Tracheloptychus madagascariensis W. Peters, 1854 – Malagasy keeled plated lizard, Madagascar girdled lizard
 * Tracheloptychus petersi Grandidier, 1869 – Peters' keeled plated lizard

Etymology
The specific name, petersi, is in honor of German herpetologist Wilhelm Peters, who is the author of this genus.