nala Posted December 7, 2016 Share Posted December 7, 2016 Today I broke a little more the stone from the Silurian Devonian Stone i have found few days ago,with several Orthoceras in it and find this,could it be a aptychus or only a shell? Link to comment Share on other sites More sharing options...
Manticocerasman Posted December 7, 2016 Share Posted December 7, 2016 I would say a septa from an orthocone with a trace of the syphuncle in the middle. growing old is mandatory but growing up is optional. Link to comment Share on other sites More sharing options...
tmaier Posted December 7, 2016 Share Posted December 7, 2016 Yup. Link to comment Share on other sites More sharing options...
nala Posted December 7, 2016 Author Share Posted December 7, 2016 Thanks Kevin H and tmaier Link to comment Share on other sites More sharing options...
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