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Showing results for tags 'paleozic'.
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Hello everyone, Some time ago I was talking about a gastropod fossil with an individual online who thought that it was an ammonite, During this conversation one thing was brought up that I have wondered about for a long time but have not actually been able to answer, and that is what exactly do we consider an ammonite? I have always thought that ammonites are the cephalopods with an external shell containing complex sutures which occur throughout the Mesozoic, but people have pointed out that certain sites talk about ammonites going back to the Devonian. I have always thought that those were ammonoids but not necessarily ammonites, I don't know how I decided that this was the case and now I realize that this might be wrong. Does anyone know if those Paleozoic ammonoids are actually considered ammonites? What exactly is an ammonite and when do they appear? I would be very interested to hear what you guys have to say, any input is appreciated. Thank you!
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Found all of these beautiful fossils on Lake Michigan, specifically Pleasant Prairie, Wisconsin on Prairie Shores Beach. Would not mind if anyone could give me an ID
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Hello, can you please identify what type of fossil wood or bog perhaps? found near Lyon County. The last picture shows the size of specimens dry. Thank you. Paleozoic Coniferous swampland Nevada