Curt P Posted April 16 Share Posted April 16 Hello, The Dundee location I frequent is quite rich in Cephalopods. Acleistoceras is the common Oncocerid. This is not that. I'm assuming this is an Oncocerid as well, and I am keeping my set of possibilities to those reported in the Treatise as occurring in Ohio. I'm assuming the third pic is the venter. If so, the siphuncle runs ventrally. I'm hoping that the deeply 'dipping' septa forming a neat downward 'V' pattern in the sides is recognizable to someone. Based on Ohio possibilities, I land on Exocyrtoceras. I have also attached pics of those pages from the Treatise. I'd love to hear from anyone with knowledge. 1 Link to comment Share on other sites More sharing options...
New Members Maximus the rock hunter Posted May 5 New Members Share Posted May 5 (edited) It looks like an Orthocone fossil of some sort to me, but I’m not sure about the species. Edited May 5 by Maximus the rock hunter Error Link to comment Share on other sites More sharing options...
New Members Maximus the rock hunter Posted May 5 New Members Share Posted May 5 I’m thinking it’s an orthoceras fossil. Link to comment Share on other sites More sharing options...
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