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Showing results for tags 'sail'.
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A brief and interesting blog by Scott Hartman about the shape of the sail with Spinosaurus. https://www.skeletaldrawing.com/home/the-road-to-spinosaurus-ii-known-unknowns11252020
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I'm looking for a little help identifying this bone from the Kem Kem Beds. It looks to part of a vertebra - it's almost 6 inches long so I immediately thought that narrows it down to being a partial Spinosaurid or Charcharodontosaurus vertebra. After spending ages looking through previous post and searching for detailed pictures of vertebrae, I came to the conclusion it belongs to a Spinosaurid (Spinosaurus or Sigilmassasaurus) because the shape just looks wrong for Carch (although there isn't much to go off for Carch vertebrae). Just looking for some input as to whether I'm correct as I know some members are far more familiar with Kem Kem bones. Would you say this looks like a partial Spino vertebra or is it far too fragmentary to say?
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Just wondering on this guy.... The sail seems to be 100% vertical which would mean it was at or very near the center of mass. Since there is only one sail vert that should sit completely vertical and the others showing a tilt I'm curious what you all thought of this specimen.
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From the album: Permian era fossils
Very small fragments of dimetrodons sail spines. From the lower Permian Texas Red Beds, Archer city formation in Archer county-
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