Arthrosaura
Arthrosaura is a genus of spectacled lizards in the family Gymnophthalmidae. Geographic range. Lizards in the genus "Arthrosaura" are endemic to northern South America. Taxonomy. Within the genus "Arthrosaura" there appears to be two species groups: a longer-legged, short-bodied group with four supraocular scales ("A. kockii", and "A. testigensis"); and a short-legged, gracile group with three supraoculars ("A. reticulata", "A. synaptolepis", "A. tyleri", and "A. versteegii" ). Species. There are seven species which are recognized as being valid: