Variation in color pattern (dorsal view) in the type series of Xenosaurus fractus. Top row, left to right: MZFC 32181, SVL = 110.4 mm; MZFC 32179, holotype, SVL = 115.3 mm; MZFC 32182, SVL = 122.9 mm; MZFC 32187, SVL = 111.6 mm; MZFC 32180, SVL = 115.1 mm; bottom row, left to right: MZFC 32183, SVL = 105.0 mm; MZFC 32186, SVL = 103.6 mm; MZFC 9579, SVL = 111.4 mm; MZFC 32184, SVL = 94.2 mm; MZFC 32185, SVL = 84.8 mm. Scale bars: 20 mm.

 
 
  Part of: Nieto-Montes de Oca A, Sánchez-Vega H, Durán-Fuentes I (2018) A new species of knob-scaled lizard (Xenosauridae, Xenosaurus) from the Sierra Madre Oriental of Puebla, Mexico. ZooKeys 737: 141-160. https://doi.org/10.3897/zookeys.737.15095