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Baryonyx (/ ˌ b ær i ˈ ɒ n ɪ k s /) is a genus of theropod dinosaur which lived in the Barremian stage of the Early Cretaceous period, about 130–125 million years ago.The first skeleton was discovered in 1983 in the Smokejack Clay Pit, of Surrey, England, in sediments of the Weald Clay Formation, and became the holotype specimen of Baryonyx walkeri, named by palaeontologists Alan J ...
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English: Figure B. Baryonychine rostrum in lateral view. A‒B, Suchomimus tenerensis (MNN GAD501); A, close up on the premaxillary crest (left side); and B, snout (right reversed, photo courtesy shared by Juan Canale); C‒D, Cristatusaurus lapparenti (C, MNHN GDF566; D, MNHN GDF565, modified from Taquet [14]); E, Baryonyx walkeri (NHM R.9951).
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These remains were described by British paleontologists Alan J. Charig and Angela C. Milner in 1986 as the holotype of a new species, Baryonyx walkeri. After the discovery of Baryonyx, many new genera have since been described, with the majority from very incomplete remains. However, other finds bear enough fossil material and distinct ...
Baryonychinae is an extinct clade or subfamily of spinosaurids from the Early Cretaceous of Europe and West Africa.The clade was named by Charig & Milner in 1986 and defined by Sereno et al. in 1998 and Holtz et al. in 2004 as all taxa more closely related to Baryonyx walkeri than to Spinosaurus aegyptiacus.
[15] [16] [17] Therrein and Henderson proposed that a 10.3 metres (34 ft) long Suchomimus would have weighed more than 5.3 metric tons (5.8 short tons) based on their ratio between skull length and body length; however, they noted that they might have overestimated the size of spinosaurids (i.e. Suchomimus and Baryonyx). [18]
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