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The Devonian period is known as "The Age of Fish", but could also be known as "The Age of Brachiopods." In the Early / Lower Devonian, brachiopods reached the height of their diversity towards its end in the Emsian. We see the ancestral groups occurring, lingulids, craniids, orthids, protorthids, pentamerids, rhynchonellids and strophomenids, as well as the later successful groups we have seen before such as atrypids, athyrids and orthotetids, plus the rise of spiriferids, spiriferinids and productids and the beginning of the terebratulids. By the end of the Devonian , several of these g
I hope, hope, hope that I don't wear out my welcome by asking questions about rocks with Fenestellan Bryozoan fossils in them! That's about all I got around here, but I do get other items IN those rocks that I don't recognize, like this one. Thanks so much to those guys who take the time to read and answer my questions - over and over again, LOL! This is yet another rock that I found in my yard and it is filled with what looks like layers of a variety of fenestellan bryozoan fossils? I have included a photo that shows what I am talking about, so please correct me if I am wrong! There