Reports

Phanerozoic Stromatolites: Noncompetitive Ecologic Restriction by Grazing and Burrowing Animals

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Science  10 Jul 1970:
Vol. 169, Issue 3941, pp. 171-173
DOI: 10.1126/science.169.3941.171

Abstract

The abundance of stromatolites (algal laminated sedimentary structures) in the Precambrian followed by a decline in the Phanerozoic is explained by the evolution and diversification during the Phanerozoic of grazing animals which feed on surface algal mats and of burrowing animals which destroy sedimentary laminations.

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