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Showing results for tags 'vertebral arch'.
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Hey everybody, on my most recent excursion in the Hell creek formation ear the powder river in montana. I found some pieces of weathered out bone all in a 5 foot radius of each other on a small rise. Due to changing weather and approaching night I didn't have the chance to uncover anything else so I grabbed the weathered out pieces and will come back to the site in August. I am a beginner and am honestly stumped as to what these could be. The 2 largest bone fragments measure 22x10.5x2.5cm and 12.8x7.3x2.9cm respectively. I am inbetween chunkasaurous or a possible ceratopsian frill. But I don't see the pronounced blood grooves frills are supposed to have. For the next largest bone fragment measuring 10x3.7x2.0cm I was thinking a vertebral process, rib, or the edge of a frill, the rounded edge on it has the same sized round as the one present on the largest bone. The rest I have no idea the smallest pieces have some interest patterning that look like some patterning I've seen or turtle shells from hell creek but these are really small. I know @Troodon has been a wonderful help before but I'd love anyone elses opinion if they can be identified or are just a lovely addition to my chunkasaur collection.
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- ceratopsid
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I have found 2 vertebral arches in my box of matrix from the lance fm. I was wondering if it is possible to identify the arches without the centrums. Here are the pictures, the fossils are from weston county, wyoming Vertebral Arch 1 And vertebral arch 2 Thanks for any help!