The first classification of birds was developed by francis willughby and john ray in their 1676 volume ornithologiae carl linnaeus modified that work in 1758 to devise the taxonomic classification system currently in use birds are categorised as the biological class aves in linnaean taxonomy phylogenetic taxonomy places aves in the dinosaur clade theropoda.
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Did you know until the 1820s hardly anyone even suspected that dinosaurs had ever existed in the years since paleontology has sought to discover the entire history of life on earth from the era of singlecelled organisms up into the human era.
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Span classnews_dtjun 29 2015spannbsp018332weve come to accept that our fingerprints are permanent signatures on our finger tips but that claim is only based on anecdotal evidence.