BioStor
 | North American fossil anguid lizards C A M Meszoely (1970) Bulletin of The Museum of Comparative Zoology 139: 87-149 |
 | The significance of the scale characteristics in evaluation of the lizard genera Gerrhonotus, Elgaria, and Barisia J W Waddick and H M Smith (1974) Great Basin Naturalist 34: 257-266 |