• Xantusia gracilis 

    Lovich, Robert E.; Grismer, L. Lee (Society for the Study of Amphibians and Reptiles, 2003)
  • Xantusia henshawi 

    Lee, Julian C. (Society for the Study of Amphibians and Reptiles, 1976)
  • Xantusia riversiana 

    Fellers, Gary M.; Drost, Charles A. (Society for the Study of Amphibians and Reptiles, 1991)
  • Xantusia vigilis 

    Bezy, Robert L. (Society for the Study of Amphibians and Reptiles, 1982)
  • Xenosaurus 

    Ballinger, Royce E.; Smith, Geoffrey R.; Lemos-Espinal, Julio A. (Society for the Study of Amphibians and Reptiles, 2000)
  • Xenosaurus grandis 

    Ballinger, Royce E.; Lemos-Espinal, Julio A.; Smith, Geoffrey R. (Society for the Study of Amphibians and Reptiles, 2000)
  • Xenosaurus newmanorum 

    Lemos-Espinal, Julio A.; Ballinger, Royce E.; Smith, Geoffrey R. (Society for the Study of Amphibians and Reptiles, 2000)
  • Xenosaurus platyceps 

    Smith, Geoffrey R.; Lemos-Espinal, Julio A.; Ballinger, Royce E. (Society for the Study of Amphibians and Reptiles, 2000)
  • Xenosaurus rectocollaris 

    Lemos-Espinal, Julio A.; Smith, Geoffrey R.; Ballinger, Royce E. (Society for the Study of Amphibians and Reptiles, 2000)