Home - Taxonomy - Geography - Biodiversity - Literature - Purchase RepFocus Recent updates Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk). Latest update: December 31st, 2022. Taxonomy of the family Gerrhosauridae Bibliography of the genus Tracheloptychus Biodiversity of the family Gerrhosauridae Genus Tracheloptychus Madagascar Keeled Plated Lizards Kiel-Schildechsen Kølpladeøgler, Kølede Pladeøgler 1854 Tracheloptychus Peters (type species: Tracheloptychus madagascariensis Peters 1854) Contents: 2 species, both of which are endemic. Endemism: 0% 100% Distribution: Madagascar. Tracheloptychus madagascariensis Southern Madagascar Keeled Plated Lizard Südmadagassische Kiel-Schildechse Sydlig Kølpladeøgle 1854 Tracheloptychus madagascariensis Peters Distribution: Madagascar. Tracheloptychus petersi Western Madagascar Keeled Plated Lizard Westmadagassische Kiel-Schildechse Vestlig Kølpladeøgle 1869 Tracheloptychus petersi Grandidier Distribution: Madagascar.