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Conodonts

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Conodonts 

fossil remains of animals whose classification is uncertain. They have been found in deposits from the Cambrian through the Triassic. Upper Cretaceous types have also been described. Conodonts have been found in a variety of forms—toothlike, comblike, or leaflike—with dimensions ranging from fractions of 1 mm to 2–3 mm. They are composed of calcium phosphate. They evidently were arranged in the bodies of the living organisms in the form of intricate complexes known as apparatus. Conodonts are important for the stratigraphy of Paleozoic deposits.

REFERENCE

Osnovy paleontologii: Bescheliustnye, ryby. Moscow, 1964.


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Writing about their study in the journal PLoS Biology, the researchers said that the first vertebrates to have teeth were a group of eel-like jawless fish, known as the conodonts, which had teeth not in their mouth, but lining the throat.
1985, Late Paleozoic conodonts from ribbon chert delineate imbricate thrusts within Antler Formation of the Slide Mountain terrane, central BC: Geology, v.
The succession of Himantian events based on data from Baltica: brachiopods, chitinozoans, conodonts, and carbon isotopes.
 
 
 
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