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A = Anapsid, B = Synapsid, C = Diapsid. It was traditionally assumed that first reptiles were anapsids, having a solid skull with holes only for the nose, eyes, spinal cord, etc.; [10] the discoveries of synapsid-like openings in the skull roof of the skulls of several members of Parareptilia, including lanthanosuchoids, millerettids, bolosaurids, some nycteroleterids, some procolophonoids and ...
Therizinosauridae (meaning 'scythe lizards') [1] is an extinct family of derived (advanced) therizinosauroid dinosaurs whose fossil remains have been found in mostly Late Cretaceous boundary.
A variety of other kinds of animal like crocodilians, phytosaurs, and lizard-like creatures left footprints there. [9] The Solite Quarry is most famous for its fossil insects. This is the only place on earth where complete well-preserved Triassic insects are known from. The oldest known examples of many living groups have been found here.
This list of the prehistoric life of Virginia contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Virginia. Precambrian [ edit ]
Tyrannosauridae (or tyrannosaurids, meaning "tyrant lizards") is a family of coelurosaurian theropod dinosaurs that comprises two subfamilies containing up to fifteen genera, including the eponymous Tyrannosaurus. The exact number of genera is controversial, with some experts recognizing as few as three.
This list of the Paleozoic life of Virginia contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Virginia and are between 538.8 and 252.17 million years of age.
This is a list of reptiles found in the state of Virginia, including both native and introduced species with an established population. Testudines (turtles)
Sauropsida (Greek for "lizard faces") is a clade of amniotes, broadly equivalent to the class Reptilia, though typically used in a broader sense to also include extinct stem-group relatives of modern reptiles and birds (which, as theropod dinosaurs, are nested within reptiles as more closely related to crocodilians than to lizards or turtles). [2]