This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
K. T. Smith, 2009 - A new lizard assemblage from the earliest Eocene (zone Wa0) of the Bighorn Basin, Wyoming, USA: biogeography during the warmest interval of the Cenozoic - Journal of Systematic Palaeontology (7), 299-358 (journal article, English)
N. Frank, 1996 - A Complete Guide to Scientific and Common Names of Reptiles and Amphibians of the World - (), 1-377 (book, English)
R. L. Carroll, 1988 - - Vertebrate Paleontology and Evolution (), 1-698 (compendium, English)
R. Estes, 1983 - Sauria terrestria, Amphisbaenia - Handbuch der Paläoherpetologie (10A), 1-249 (book/book chapter, English)
J. A. Gauthier, 1982 - Fossil xenosaurid and anguid lizards from the early Eocene Wasatch Formation, southeast Wyoming, and a revision of the Anguidea - Contributions to Geology, University of Wyoming (21), 7-54 (journal article, English)