Hyalinea baltica and the Plio-Pleistocene Boundary in the Caribbean Sea

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Science  20 Nov 1970:
Vol. 170, Issue 3960, pp. 847-848
DOI: 10.1126/science.170.3960.847


The foraminifer Hyalinea baltica is found for the first time in sediments from the western Caribbean Sea. Its relationship to the Plio-Pleistocene boundary and to other criteria used to define this boundary is examined, with the result that a strict adherence to the classical definition is urged.

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