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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.
Birds are categorized as a biological class, Aves. The earliest known is Archaeopteryx lithographica, from the Late Jurassic period, though Archaeopteryx is not commonly considered to have been a true bird.Modern phylogenies place birds in the dinosaur clade Theropoda.he earliest known is Archaeopteryx lithographica, from the Late Jurassic period, though Archaeopteryx is not commonly considered to have been a true bird. Modern phylogenies place birds in the dinosaur clade Theropoda.