conodont


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

conodont

[′kän·ə‚dänt]
(paleontology)
A minute, toothlike microfossil, composed of translucent amber-brown, fibrous or lamellar calcium phosphate; taxonomic identity is controversial.
References in periodicals archive ?
The FAD of the deep-water conodont Polygnathoides siluricus in Pavilosta (Viira 1982) is also shown in black because its several occurrences in this section are recorded at an expected level below the MLCIE (e.
Recovery in conodont bearing-samples ranged from one element from the black shale in Location D and from the gray shale at the top of Location B to 160 elements from the gray shale at the top of Location A.
Conodont elements known to be related to the Triassic age would be as follows: Prioniodella Prioniodellides, Hindeodella multihamata, Hindeodella nevadensis, Lonchodina nevadensis, Hindeodella triassica, Ligonodina triassica, Diplodella lautissima, Pachycladina oblique, Hadrodontina anceps, Ellisonia triassica, hibardella subsymmertica, Parachirognathus geiseri, Prioniodella decrescens, Enantiognathus bitortus, Chirognathus sp.
BROADER IMPACT: Evolutionary developmental biologists interested in the primitive vertebrate skeleton and isotope geochemists interested in the use of conodont apatite as a proxy for seawater chemistry in deep time, together facilitating a new vista of research integrating evolutionary patterns, feeding ecology and environmental variations revealed in seawater chemistry.
As with other geological systems, Permian conodont distribution has been influenced by facies differences.
Last year, scientists at Leicester University in England demonstrated that enigmatic fossils known as conodonts in fact represent the earliest known vertebrates.
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.
Frequency patterns of chitinozoans, scolecodonts, and conodonts in the upper Llandovery and lower Wenlock of the Paatsalu core, western Estonia.
Now, studies of a giant conodont from South Africa reveal that these animals had distinctive eye muscles seen only in other vertebrates, report Sarah E.
Samples from the top of the Montoya yielded a typical Late Ordovician conodont fauna that is dominated by elements of Plectodina tenuis and P.