†Heterodontagama †Mimeosaurus †Phrynosomimus ?†Pleurodontagama †Priscagama Priscagaminae Borsuk-Bialynicka and Moody 1984[2][3] Priscagamidae is an extinct family of iguanian lizards[1] known from the Late Cretaceous of Mongolia and China and the Eocene of India,[3] spanning a range from 83.6 to 48.6 million years ago.
Probably the earliest priscagamids on indeterminate genera were found in Aptian-Albian sediments in "Hobur", Mongolia.
[4] It includes the genera Heterodontagama, Mimeosaurus, Phrynosomimus, Priscagama, and possibly Pleurodontagama.
[5] The first fossils of priscagamids were found in the Djadochta and Khermeen Tsav formations of Mongolia.
[6] Priscagamidae was originally described as a subfamily of Agamidae called Priscagaminae in 1984,[2] but it was reclassified as a distinct family in 1989.