Categories Paleozoic The Mesozoic Mailbag A Cold, Little Fossil: The World’s Oldest Chambered Heart Post author By maxsblogosaurus Post date September 19, 2022 No Comments on A Cold, Little Fossil: The World’s Oldest Chambered Heart Can 380-million-year-old fossilized organs last into the present? A new discovery suggests they can… Tags Devonian, fossils, Nature, Paleontology, Placoderms, prehistory
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