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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
Hi everyone. I recently visited a quarry at the north of Spain (more specifically a geographical area called "El Bierzo", famous for its fossils from the carboniferous era) and I found the following ones. I think I have identified most of them but I would like to know your opinion. Thank you very much!
I want to submit for identification the specimen below. It came from the Carboniferous of Leon, Spain, labeled as tree trunk cortex. There are no other informations available. Any thought of what might be exactly, or a more precise ID will be welcomed. Thank you.