What is the meaning of the word "xenosauridae"?

Definitions:

  1. A family of lizards commonly known as knob-scaled lizards, primarily found in Mexico and Central America. copy to clipboard NOUN
    • The unique scales of Xenosauridae lizards help them blend into their rocky environments, providing camouflage from predators. copy to clipboard
  2. Type of lizards distinctive for their rough, tubercle-covered scales that give them a knobbed texture, and typically inhabit rocky crevices and forested areas. copy to clipboard NOUN
    • Scientists studying Xenosauridae have found that these lizards primarily inhabit rocky crevices in Mexico. copy to clipboard