Dingydino Posted April 26, 2017 Share Posted April 26, 2017 Im back. Once again found in NW Colorado high desert. Seems to have maybe a shell look to it. 4 1/2inches long 4 inches wide and about 3 inches think. Any and all comments welcome ... 1 Quote Link to comment Share on other sites More sharing options...
Hoser John Posted April 27, 2017 Share Posted April 27, 2017 Looks kinda toothy to me, size refrence might help-John 1 Quote Link to comment Share on other sites More sharing options...
Dingydino Posted April 27, 2017 Author Share Posted April 27, 2017 Is this what you needed ? Quote Link to comment Share on other sites More sharing options...
Morlock Posted April 27, 2017 Share Posted April 27, 2017 Not knowledgeable about fossils but looks like some type of concretion. 1 Quote Link to comment Share on other sites More sharing options...
homefire Posted April 27, 2017 Share Posted April 27, 2017 Could be part of tooth ? https://www.google.com/search?q=Fossilized+Mastodon+tooth&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjX9K2oj8XTAhWIwVQKHWMrAWgQsAQIKA&biw=1138&bih=549 1 Quote Link to comment Share on other sites More sharing options...
4meter Posted April 27, 2017 Share Posted April 27, 2017 I'm pretty sure its not a fossil. I second a concretion. 1 Quote Link to comment Share on other sites More sharing options...
Shokmelt Posted April 27, 2017 Share Posted April 27, 2017 I agree, 4M Although, what appears to be limestone clinging to the side, might imply a marine fossil of some kind. 2 Quote Link to comment Share on other sites More sharing options...
Jarl Posted October 27, 2018 Share Posted October 27, 2018 If it is a fossil, I'd guess two actinostroma heads fused together. Otherwise, teetering on concretion. Quote Link to comment Share on other sites More sharing options...
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