Vermetid Gastropods and Intertidal Reefs in Israel and Bermuda

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Science  20 Dec 1974:
Vol. 186, Issue 4169, pp. 1113-1115
DOI: 10.1126/science.186.4169.1113


Small-rimmed intertidal reefs develop in the subtropical marine waters of Israel and Bermuda when erosion of exposed promontories is arrested by vermetid gastropods. The reefs in Bermuda are actively growing, wave-resistant biogenic structures, while those in Israel are limestone structures only encrusted by a relatively thin layer of vermetid shells cemented by coralline algae.