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An analysis of ~200 species based on comparative anatomy, by Pierre Belon
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Written by Francis Willughby and John Ray, created the first major system of bird classification that was based on function and morphology.
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Featured binominal nomenclature and class Aves for all extant birds
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Sir Richard Owen coined the term dinosauria to decribe reptile fossils that were being discovered.
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Written by Charles Darwin, this book open the door for discussion of common decendancy.
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"early bird" fossil discovered
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based on Darwin and comparisons between Archaeopteryx and other small theropod dinosaurs, Huxley writes "On the animals which are most nearly intermediate between birds and reptiles."
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Famed paleontologist, Richard Owen dismisses Huxleys dino connection, instead claiming that Archaeopteryx is the first know bird species outside the reptile line. He and other collegues do not deny a reptile link (opting for a crodylomorph or thecodont ancestry), but do rule out dinosaurs.
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while studying Deinonychus antirrhopus, John Ostrom noted major similarities between it and Archaeopteryx, including fused tails and nesting behavior.
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Willi Hennig published phylogenetic systematics, in an attempt to revolutionoze taxonomy based upon common ancestry.
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During the 1990's most paleontologists came to accept the dinosaur bird connection.
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cladistics becomes the accepted standard of classification for evolutionary biologists.
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closer to public acceptance, though they were not fully feathered nor were their tails rigid.
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Feathers and quill knobs have been noted on over a dozen genera of dinosaurs.
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Wikipedia and other websites include drawings and descriptions of most maniraptor species as possessing lots of feathers.
