sauro-, saur-, -saurus, -saurid, -saur,
-sauria, -saurian +

A “thick-headed lizard” from Late Cretaceous Montana. Named by paleontologist Barnum Brown (1873-1963) and Schlaikjer in 1943.

A “thick-rib lizard” from Middle Jurassic Europe. Named by David Martill and Sibylle Noe in 1996.

A “thick-nosed lizard” from Late Cretaceous Alberta, Canada; and Alaska. Named by U. S. fossil hunter Charles Mortram Sternberg (1885-1981) in 1950.

This nomenclature (“thick lizard”) is no longer recognized by scientists because they found that it described an animal that was previously given another name which is Plateosaurus. Named by German paleontologist Friedrich von Huene, 1908 or L. J. Fitzinger, in 1843 (?).

Meaning “old (ancient) lizard ancestor” from Late Triassic Bristol, England. This creature was previously known as Palaeosaurus. Named by Oskar Kuhn in 1959.

This nomenclature (“ancient lizard”) is no longer recognized by scientists because they found that it described an animal that was previously given another name which is Palaeosauriscus. Named by S. H. Riley and Samuel Stutchbury, 1836/Geoffroy Saint-Hilaire, 1833.

Means “fully (completely)-armored lizard” from Late Cretaceous Alberta, Canada to Texas and Montana, USA. This creature was formerly called an Edmontonia. Named by Canadian paleontologist Lawrence M. Lambe in 1919.

Means “beside-ridged lizard” from Late Cretaceous New Mexico, Utah, and Alberta, Canada. Named by William Arthur Parks in 1922.

Means “near lizard” from Late Jurassic North America. Named by Othniel Charles Marsh (1831-1899) in 1893.

An extinct genus of anapsid reptile (characterized by breathing air, laying shelled eggs, and having skin covered in scales and/or scutes, a bony external plate) from the Permian period (named after the kingdom of Permia in modern-day Russia). Named by British anatomist Sir Richard Owen in 1876.

Meaning “Parks’ lizard” from Late Cretaceous Montana and Alberta, Canada. Named for William Arthur Parks (1868-1939), a Canadian paleontologist. Named by U. S. fossil hunter Charles Mortram Sternberg (1885-1981) in 1937.

This nomenclature (“Parr’s lizard” in honor of Albert Eide Parr, an American zoologist) is no longer recognized by scientists because they found that it described an animal that was previously given another name which is Hypsibema or Hadrosaurus. Named by U. S. paleontologist Charles Whitney Gilmore in 1945.

“Patagonian (big foot) lizard” from Middle Jurassic Patagonia, southeast Argentina. The name comes from Spanish, patagon, “big foot”; a name given the Indians in Argentina. Named by Argentinian paleontologist José Bonaparte in 1979.

An “ancestral lizard” from Late Cretaceous Europe. The name comes from Greek patrikos, “paternal, ancestral”. Named by Harry Govier Seeley in 1887.

“Paw Paw lizard” from Early Cretaceous eastern Texas. It was named for the eastern Texas Paw Paw rock Formation, Tarrant County, in which it was discovered in 1989 by twelve-year-old Johnny Maurice. Named by Lee in 1996.