Pterygotus Posted February 25, 2019 Share Posted February 25, 2019 Could someone please ID this fossil from Charmouth, England? It looks like some sort of crustacean. Two of these were found in the same rock. The other one is being acid prepped. Link to comment Share on other sites More sharing options...
Manticocerasman Posted February 25, 2019 Share Posted February 25, 2019 It looks like a brachiopod to me. 2 growing old is mandatory but growing up is optional. Link to comment Share on other sites More sharing options...
TqB Posted February 25, 2019 Share Posted February 25, 2019 46 minutes ago, Manticocerasman said: It looks like a brachiopod to me. I agree - not one I've seen from there before, with that double sulcus. Acid prepping will dissolve it! Tarquin Link to comment Share on other sites More sharing options...
Pterygotus Posted February 25, 2019 Author Share Posted February 25, 2019 16 minutes ago, TqB said: I agree - not one I've seen from there before, with that double sulcus. Acid prepping will dissolve it! By dissolving do you mean the fossil or the limestone? Link to comment Share on other sites More sharing options...
TqB Posted February 25, 2019 Share Posted February 25, 2019 15 minutes ago, Pterygotus said: By dissolving do you mean the fossil or the limestone? Both. Unfortunately, you can't use acid to prep calcium carbonate shells. 1 Tarquin Link to comment Share on other sites More sharing options...
FossilDAWG Posted February 25, 2019 Share Posted February 25, 2019 Agreed, both with the brachiopod ID and the comments on acid prepping. Acid will work only on silicified fossils in a calcium carbonate (limestone) matrix, and even then it must be done with care. Don 1 Link to comment Share on other sites More sharing options...
Zenmaster6 Posted February 25, 2019 Share Posted February 25, 2019 I'm glad the others were able to identify Brachiopod. Those cracks on the shell look so suggestive of crab 1 Link to comment Share on other sites More sharing options...
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