Brian James Maguire Posted January 26 Share Posted January 26 This was found in the Carboniferous limestone of the Malahide formation , east coast Dublin Ireland, 2 Link to comment Share on other sites More sharing options...
Ludwigia Posted January 26 Share Posted January 26 Looks like an itty bitty goniatite. 1 5 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Brian James Maguire Posted January 26 Author Share Posted January 26 2 minutes ago, Ludwigia said: Looks like an itty bitty goniatite. I never seen those markings on the outer shell before , they are cool Link to comment Share on other sites More sharing options...
Ludwigia Posted January 26 Share Posted January 26 4 minutes ago, Brian James Maguire said: I never seen those markings on the outer shell before , they are cool Those are the socalled suture lines. 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
ClearLake Posted January 26 Share Posted January 26 (edited) Check out this thread for more examples. Edited January 26 by ClearLake Spelling 1 Link to comment Share on other sites More sharing options...
Brian James Maguire Posted January 26 Author Share Posted January 26 6 minutes ago, ClearLake said: Check out this thread for more examples. Thats a great thread! Thanks for that 1 Link to comment Share on other sites More sharing options...
TqB Posted January 27 Share Posted January 27 13 hours ago, Brian James Maguire said: I never seen those markings on the outer shell before , they are cool Sutures don't actually show on the outer shell. They're on the calcite interior mould with the chamber walls in it where they abut the inner shell surface; there are the remains of the shell around that patch. Neat specimen. 1 1 Tarquin Link to comment Share on other sites More sharing options...
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