Reports

Conodont Pearls?

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Science  13 Aug 1976:
Vol. 193, Issue 4253, pp. 571-573
DOI: 10.1126/science.193.4253.571

Abstract

Conodonts are zoologically enigmatic, toothlike phosphatic microfossils occurring in marine sedimentary rocks ranging in age from Cambrian to Triassic. Dimpled spheres of less than 1 millimeter in diameter are sporadic associates of conodonts and have identical chemical composition and microstructure. Mineralogy, morphology, and occurrence of these spheres suggest that they are pearls secreted by the conodont-bearing animal

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