The diversity and abundance of invertebrate fossils is truly amazing. Scientists have divided the invertebrates into 33 phyla of which 25 have a fossil record, and of these 25 phyla 15 are represented ...
There are over two million specimens in the Field Museum’s Fossil Invertebrate Collection. There are fossils from every continent and from every geologic period from the Cambrian to the Neogene, but ...
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