Genus Sphenodon

 

Brothers Island tuatara - Tuatara are greenish brown, and measure up to 80 cm from head to tail-tip with a spiny crest along the back, especially pronounced in males.

Tuatara - Tuatara are greenish brown, and measure up to 80 cm from head to tail-tip with a spiny crest along the back, especially pronounced in males.

Order : Rhynchocephalia
Family : Sphenodontidae
Genus : Sphenodon