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Showing results for tags 'cotter formation'.
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Hi all, I have been working pretty hard to learn and identify my fossils as I collect them. I have one that I need confirmation on. I believe that it is an Orthocone Cephalopod but if someone can either confirm this or tell me what it is if I am wrong, I would appreciate it. This was found near Willow Springs, Missouri, USA. If my studying is correct, it should be from the Ordovician Period and from the Jefferson City/Cotter Formations. It measures a little over 57 mm long and at the widest point measures 22 mm across. The attached image is horrible. I cannot get any decent images with the lighting that I am using tonight. If it isn't good enough, I will take better images tomorrow. Thank you for your time and assistance. Doug