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Binomial Name. Archaeopteryx lithographica. Archaeopteryx is an extinct bird that evolutionists argue possesses some reptilian-like features causing it to be classified as a evolutionary transitional form, and is considered the first of the so called feathered dinosaurs.inomial Name. Archaeopteryx lithographica. Archaeopteryx is an extinct bird that evolutionists argue possesses some reptilian-like features causing it to be classified as a evolutionary transitional form, and is considered the first of the so called feathered dinosaurs.
The Saurischia (lizard-hipped): the termcomes from sauria, meaning reptile, and ischia, referring to the ischium bone of the pelvis. These dinosaurs had a pelvis built like that of many other reptiles, hence the name lizard-hipped dinosaurs.From them evolved the other major group of dinosaurs.he only living anapsids are the turtles and tortoises (see figure below). The synapsids: or mammal-like reptiles have a single temporal opening low on the side of the skull, beneath the postorbital and squamosal bones. They are extinct but very important because mammals evolved from this group of reptiles.