Rockpit Posted July 24, 2018 Share Posted July 24, 2018 I found this nodule already open and thought it was a fossilized piece of wood. However, it is not the usual black color of most of plants I have found. Could this be a bone fragment? Link to comment Share on other sites More sharing options...
Miocene_Mason Posted July 24, 2018 Share Posted July 24, 2018 I feel like I saw a Paleozoic shark spine that looked like this a while back but wait for others opinions. Cool whatever it is! @Nimravis “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
Nimravis Posted July 24, 2018 Share Posted July 24, 2018 8 minutes ago, WhodamanHD said: I feel like I saw a Paleozoic shark spine that looked like this a while back but wait for others opinions. Cool whatever it is! @Nimravis I have no clue on this one, I will pass it off to @RCFossils for his opinion. 1 Link to comment Share on other sites More sharing options...
Carl Posted July 24, 2018 Share Posted July 24, 2018 Could be a crushed cephalopod shell. 1 Link to comment Share on other sites More sharing options...
deutscheben Posted July 24, 2018 Share Posted July 24, 2018 That is a fascinating one! Could it be some sort of crustacean carapace? It kind of looks like there is a thin segmented impression extending from the top (in the individual pics) outer corners, like an antenna. I look forward to hearing what others think. 1 Link to comment Share on other sites More sharing options...
Rockpit Posted July 30, 2018 Author Share Posted July 30, 2018 Thanks for all your replies! This fossil is different from the others I have found in that it seems to contain a fragment of the original organism rather than only an imprint in the rock. Link to comment Share on other sites More sharing options...
fossilized6s Posted July 30, 2018 Share Posted July 30, 2018 I would say it's not bone. It does resemble some type of Arthropod limb. Unfortunately, it probably is just a piece of flora. Jack, @fiddlehead may be able to point you in the right direction. ~Charlie~ "There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK ->Get your Mosasaur print ->How to spot a fake Trilobite ->How to identify a CONCRETION from a DINOSAUR EGG Link to comment Share on other sites More sharing options...
fiddlehead Posted July 31, 2018 Share Posted July 31, 2018 In my opinion, deutscheben is correct. It is a shed carapace of a Belotelson magistor. Of the shrimp-like animals at Mazon Creek it had the most robust exoskeleton. They also have a prominent eye notch. The notch can be seen middle-right, in the bottom-right picture which also shows the inside of the hollow carapace. I hope this helps, Jack 4 Link to comment Share on other sites More sharing options...
Rockpit Posted August 3, 2018 Author Share Posted August 3, 2018 On 7/31/2018 at 8:43 AM, fiddlehead said: In my opinion, deutscheben is correct. It is a shed carapace of a Belotelson magistor. Of the shrimp-like animals at Mazon Creek it had the most robust exoskeleton. They also have a prominent eye notch. The notch can be seen middle-right, in the bottom-right picture which also shows the inside of the hollow carapace. I hope this helps, Jack On 7/24/2018 at 4:36 PM, deutscheben said: That is a fascinating one! Could it be some sort of crustacean carapace? It kind of looks like there is a thin segmented impression extending from the top (in the individual pics) outer corners, like an antenna. I look forward to hearing what others think. Thanks for pointing that out. I thought I could see what deutscheben was referring to but I thought maybe I was imagining things. Link to comment Share on other sites More sharing options...
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