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Definition of CONODONT
: a Paleozoic toothlike fossil that is probably the remains of an extinct eellike marine animal that may be an invertebrate or primitive vertebrate; also: the animal from which conodonts are derived
Origin of CONODONT
International Scientific Vocabulary con- (from Greek kōnos cone) + -odont
First Known Use: 1859
Minute 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.