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conodont |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.04 sec. |
conodontMinute toothlike fossil composed of the mineral apatite (calcium phosphate); conodonts are among the most frequently encountered fossils in marine sedimentary rocks of Paleozoic age. They are the remains of animals that lived 543–248 million years ago that are believed to have been small marine invertebrates living in the open oceans and coastal waters throughout the tropical and temperate zones. conodont [′kän·ə‚dänt] (paleontology) A minute, toothlike microfossil, composed of translucent amber-brown, fibrous or lamellar calcium phosphate; taxonomic identity is controversial. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Since then, volume after volume has appeared, dealing with trace fossils, spores, conodonts, sponges, plants, graptolites, foraminifers, brachiopods and, yes, more trilobites (according to some, too many, but never mind). Last year, scientists at Leicester University in England demonstrated that enigmatic fossils known as conodonts in fact represent the earliest known vertebrates. Once regarded as the greatest unsolved puzzle in paleontology, tiny fossils known as conodonts are finally revealing their true identity as some of our most ancient relatives, according to two new studies reported this week. |
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