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Newly discovered fossils of fish from multiple life stages may ‘rewrite textbooks’ A new study out of the University of Chicago, the Canadian Museum of Nature and the Albany Museum challenges a long-held hypothesis that the larvae of modern lampreys are a holdover from the distant past, resembling the ancestors of all living vertebrates, including ourselves. The new fossil discoveries indicate that ancient lamprey hatchlings more closely resembled modern adult lampreys, and were completely unlike their modern larvae counterparts. The results were published on March 10 in “We’ve basically removed lampreys from the position of the ancestral condition of vertebrates,” said first author Tetsuto Miyashita, formerly a Chicago Fellow at the University of Chicago and now a paleontologist at the Canadian Museum of Nature. “So now we need an alternative.”

South africaUnited statesUniversity of chicagoTetsuto miyashitaMichael coatesCanadian museum of natureDepartment of organismal biologyAlbany museumCanadian museumChicago fellowOrganismal biologyFossilized fish larvaeஒன்றுபட்டது மாநிலங்களில்பல்கலைக்கழகம் ஆஃப் சிகாகோமைக்கேல் பூச்சுகள்கனடியன் அருங்காட்சியகம் ஆஃப் இயற்கை