Xenosauridae

14 species

1. 1Xenosaurus agrenon King & Thompson, 1968 · Mountain Knob-scaled Lizard
2. 2Xenosaurus arboreus Lynch & Smith, 1965 · Arboreal Knob-scaled Lizard
3. 3Xenosaurus fractus Nieto-Montes de Oca, Sánchez-Vega & Durán-Fuentes, 2018
4. 4Xenosaurus grandis (Gray, 1856) · Knob-scaled Lizard
5. 5Xenosaurus manipulus Nieto-Montes de Oca, Castresana-Villanueva, Canseco-Márquez & Campbell, 2022 · newer than the 2023 backbone
6. 6Xenosaurus mendozai Nieto-Montes de Oca, García-Vázquez, Zúñiga-Vega & Schmidt-Ballardo, 2013
7. 7Xenosaurus newmanorum Taylor, 1949 · Newman's Knob-scaled Lizard
8. 8Xenosaurus penai Pérez-Ramos, de la Riva & Campbell, 2000 · Pena's Knob-scaled Lizard
9. 9Xenosaurus phalaroanthereon Nieto-Montes de Oca, Campbell & Flores-Villela, 2001 · Chin-spotted Knob-scaled Lizard
10. 10Xenosaurus platyceps King & Thompson, 1968 · Flathead Knob-scaled Lizard
11. 11Xenosaurus rackhami Stuart, 1941 · Rackham’s Knob-scaled Lizard
12. 12Xenosaurus rectocollaris Smith & Iverson, 1993 · Pallid Knob-scaled Lizard
13. 13Xenosaurus sanmartinensis Werler & Shannon, 1961 · San Martin Knob-scaled Lizard · newer than the 2023 backbone
14. 14Xenosaurus tzacualtipantecus Woolrich-Piña & Smith, 2012 · Zacualtipá́n Knob-scaled Lizard

Source: Catalogue of Life 2026-10-14 via ChecklistBank (sector: The Reptile Database 2026-06), fetched 2026-10-18.