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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.
It is one of the most important fossils ever discovered. Unlike all living birds, Archaeopteryx had a full set of teeth, a rather flat sternum (breastbone), a long, bony tail, gastralia (belly ribs), and three claws on the wing which could have still been used to grasp prey (or maybe trees).