Reptiles

• Key to Families of Philippine Lizards:

  (DGV SA)

  A) DIBAMIDAE

  B) GEKKONIDAE

  C) VARANIDAE

  D) SCINCIDAE

  E) AGAMIDAE

  
• DIBAMIDAE

  Eyes covered with scales, blind; limbs absent or flaplike...
• GEKKONIDAE

  Eyes large, not covered with scales; limbs present/ Body scales granular, without keels or ridges; pupils vertical; eyelids absent...
• VARANIDAE

  Eyes large, not covered with scales; limbs present/ Body scales not granular or if granular, with low keels or ridges; pupils round; eyelids always present/ Head and neck relatively long; tongue elongate and forked; medium to large lizards with keeled granular scales...
• SCINCIDAE

  Eyes large, not covered with scales; limbs present/ Body scales not granular or if granular, with low keels or ridges; pupils round; eyelids always present/ Head and neck relatively short; tongue roundish; small to medium sized lizards/ Body cylindrical; head scales distinct, larger thab body scales; scales on lower eyelid mostly transparent...
• AGAMIDAE

  Eyes large, not covered with scales; limbs present/ Body scales not granular or if granular, with low keels or ridges; pupils round; eyelids always present/ Head and neck relatively short; tongue roundish; small to medium sized lizards/ Body triangular in cross-section, mid-dorsal line forming a distinct ridge; head scales not distinct from body scales; scales on lower eyelid not transparent...