NOUN
- the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
- small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes
How To Use conodont In A Sentence
- Lower Carboniferous conodont faunas from North-East Devonshire. CreationWiki - Recent changes [en]
- But in the conodonts examined so far the crystalline structure within this layer is very variable.
- To return to our example, the usual biostratigraphic markers in Middle Paleozoic stratigraphy are graptolites, conodont ‘jaw’ parts, and thelodont scales.
- Furthermore, there appears to be a total absence of dentine, which is unexpected if conodonts are vertebrates.
- Other than the ‘eyes’ of the Crawling Eye model, the conodont is revealed to be a very ordinary sort of vertebrate.
- The Ordovician is best known for the presence of its diverse marine invertebrates, including graptolites, trilobites, brachiopods, and the conodonts (early vertebrates).
- Furthermore, there appears to be a total absence of dentine, which is unexpected if conodonts are vertebrates.
- At one time or another, most of these have been regarded as conodont elements.
- In short, this analysis finds that conodonts are more derived than any of the living jawless vertebrates.
- Conodont elements, the disarticulated bony remains of the complex conodont oral apparatus, are found as microfossils by the tens of thousands in virtually every Paleozoic marine sediment, everywhere in the world.