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Book Chapter

Bryozoan Contributions to Reefs and Bioherms Through Geologic Time1

By
Roger J. Cuffey
Roger J. Cuffey
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Published:
January 01, 1977

Abstract

Among bryozoans, trepostomes and cystoporates participated extensively in reef envi¬ronments during the early Paleozoic, fenestrates in the late Paleozoic, and cheilostomes during the Cenozoic (including Holocene). Bryozoans occur most commonly in patch reefs and biohermal banks.

Bryozoans fill various roles in reefs and bioherms. Alone or with other organisms, bryozoans are the principal frame builders in some reefs, mostly Paleozoic. More importantly, Cenozoic reefal bryozoans function as hidden encrusters, cavity dwellers, cavity fillers, and, occasionally, as dead-reef veneerers. In some bioherms, bryozoans serve as sediment binders, stabilizers, and trappers. Throughout their history, reefal bryozoans—alone or in concert with other organisms—have acted as major sediment formers.

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Contents

AAPG Studies in Geology

Reefs and Related Carbonates—Ecology and Sedimentology

Stanley H. Frost
Stanley H. Frost
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;
Malcolm P. Weiss
Malcolm P. Weiss
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;
John B. Saunders
John B. Saunders
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American Association of Petroleum Geologists
Volume
4
ISBN electronic:
9781629812076
Publication date:
January 01, 1977

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