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  • noun

Words related to conodont

the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta

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small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone

References in periodicals archive ?
London, December 22 ( ANI ): Marine animal groups like ammonoids and conodonts already peaked three or four million years earlier, namely still during the Ear-ly Triassic, researchers say.
Upper Ordovician conodonts from Bornholm and possible migration routes in the Palaeotethys Ocean // Bull.
The Viki section was selected as a basis for deriving ID numbers because of the great thickness of the Telychian, large number of bentonites, and a well-established conodont biostratigraphy (Jeppsson & Mannik 1993; Kiipli et al.
Gradationally above the conglomerate are 20 m of calcareous sandstone and minor pebbly sandstone, that is in turn gradationally overlain by 5 m of limestone and siltstone that have yielded Arenig-Llanvirn conodonts and a few crinoid fragments (Nowlan 1981; Fyffe et al.
Whereas some thought the comblike pieces belonged to ancient mollusks, others saw them as fossilized algae or plants, and many more suggested that conodonts represent teeth from some type of unknown, extinct animal.
Herein we provide new information on the chronostratigraphy of the "Siluro-Devonian" succession in the subsurface of West Texas based on conodonts from a core from the Pegasus field in Midland County, Texas, and a reevaluation of graptolites originally described by Decker (1942, 1952) from wells in adjoining Crane County.
By studying oxygen atoms in the conodonts, they were able to calculate temperature levels many millions of years ago.
Moreover, further taxonomical work on conodonts and chitinozoans, both in Estonia and Sweden, might help to resolve different opinions.
Evolution of the Late Ordovician high-latitude conodonts and dating of Gondwana glaciations.
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).
Only recently have three arrays of conodonts been discovered in Scotland in conjunction with three whole fossilized animals.
These strata are rich in fossils, including macro- and microremains of agnathans and fishes, conodonts, diverse shelly fauna and associations of invertebrate microfossils, with intense bioturbation and Skolithos trace fossils (Nestor 1990; Vinn & Wilson 2013; Marss & Nestor 2014), altogether indicating shallowwater environment.
For 300 million years, Earth's oceans teemed with conodonts - early vertebrates that kept their skeleton in their mouth.
The influx of muddy and siliciclastic component took place across the Ordovician outcrop as verified by finds of redeposited Ordovician conodonts and crinoidal stem fragments at 8 m above the Ordovician-Devonian contact.
However, as the conodonts may have been redeposited, this assumption should be taken with some caution.