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Doug Von Gausig posted a topic in Fossil IDThis is a shot of a conglomeration of fossils in mudstone from the Verde Formation of central Arizona. This formation is a graben of jumbled types -- sandstone, limestone, mudstone, basalt, etc. These were in layers along a dry streambed. Any assistance with what they are would be appreciated. I'm assuming they are Pennsylvanian period, given the lack of crinoids. Locally, the redwall limestone is Mississippian, and contains abundant crinoids. The Martin limestones are Devonian, and have few fossils. I assume the pictured fossils are more recent than either of these. I'm especially curious abo
Hey everyone, New user here, very minor experience with fossils. I was curious if anyone would be interested in possibly identifying some specimens from Lake Michigan, from North Shore Beach in Ferrysburg, Michigan. It's on the West Coast of Michigan, but it would be the Eastern side of the Lake. Hope that isn't too confusing and I hope that I find you all well during these trying times. I have a couple more as well, if it's cool. Thanks for reading. Here are my humble hypotheses: 1: Some sort of Petoskey/Charlevoix stone or similar perhaps.