aplomado Posted March 12, 2018 Share Posted March 12, 2018 My daughter found this in a creek with Cretaceous fossils. What is it a fossil of? Thank you. Link to comment Share on other sites More sharing options...
Fossildude19 Posted March 12, 2018 Share Posted March 12, 2018 They look like oyster/bivalve impressions to me. 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Ludwigia Posted March 12, 2018 Share Posted March 12, 2018 I'll go along with that. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
caldigger Posted March 12, 2018 Share Posted March 12, 2018 Likely something along the lines if these two guys. But a different species of course. Pictures off the web. 3 Link to comment Share on other sites More sharing options...
FossilDAWG Posted March 12, 2018 Share Posted March 12, 2018 Definitely a Trigonia or Scabrotrigonia. These impressions are common in a particular layer of the Tombigbee Sand on Catoma Creek, and the lithology matches your specimen. Don 1 Link to comment Share on other sites More sharing options...
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