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Showing results for tags 'cretaceous id'.
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From the album: Texas Cretaceous Fossils: Crustaceans
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I collected these 3 crocodilian scutes from the bank of the Pee Dee river recently. They come from a lag deposit at the base of the PeeDee formation that immediately overlies the Donoho Creek formation. This lag deposit would be in the range of 65-75 mya, towards the end of the Cretaceous. I am curious about the noticeable differences in the 3 scutes and wonder what they came from. Borealsuchus and other crocodilians are known from this locality, and in my opinion the 2 with the larger holes look like borealsuchus more than anything else I've seen. Would love any input from people more knowledgable than me!
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NEED HELP!!! Is This Just an Iron Concretion or A Preserved Fossil?
Kurufossils posted a topic in Fossil ID
Hello everyone, I am in desperate need of help with a huge debate I have been having with a friend over fossils preserved in ironstone concretions. From some of what I had read to some advice from other members I it possible to find vertebrate bone among shells and other mollusks preserved in an ironstone concretion. Whether it leaves a trace of the organism, morphs the organic material into the structure of the iron concretion through the decomposition with preserving, or whatever else it may be it seems to be possible. So recently I have hunted a place known to have recorded marine cretaceous shell and other mollusk found in ironstone concretion as well as cretaceous plants in shale, it seems like not to vast of enough study has been done there only from what I know, but since no vertebrate material had yet been discovered there though there can maybe be the possibility. I found these two particularly distinct pieces in iron concretions that exactly mimic the scute structure of soft shell turtle and croc in my opinion, I know how iron concretions are famous for leaving psuedofossils and such but these two pieces look way to exact and since its possible for shells and mollusks to preserve why not scutes? So I am here looking to end this debate, I'm looking for your opinion, can these be labeled as fossils, traces, etc? Or are these among some of the world's best iron concretions and nothing more. Your input especially if you are very experience in this subject would be tremendously appreciated.- 19 replies
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