conodont

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conodont

a tooth-like fossil, amber in colour. Conodonts occur in sediments from the CAMBRIAN to the TRIASSIC and are thought to be associated with the mouth-parts of primitive chordates such as members of the AGNATHA.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
(2013) in the Gulf of Salamanca, several of the species that dominated the catches were caught as juveniles (e.g., Cathorops mapale, Trichiurus lepturus, Paralonchurus brasiliensis, Conodon nobilis).
No obstante que estas especies fueron las que, por su presencia o ausencia, finalmente separaron a las localidades, las responsables de las mayores caidas de informacion fueron: Conodon nobilis, que represento una caida de informacion total de 254.4 beles, Trachinocephalus myops Foster, 1801 con 76.5 beles, Diplectrum bivittatum Valenciennes, 1828 con 85.9 beles, Cyclopsetta chittendeni con 65.6 beles.
denticulatus is an important species in the food chain as a primary consumer of phytoplankton and detritus and is also eaten by a wide range of predators including the fishes Menticirrhus littoralis, Conodon nobilis, Trachinotus carolinus.
Coastal Bermuda grass (Conodon dactylon L.) is grown in the spray field to assist in nutrient removal.