Ecologic studies of benthic foraminifera in Florida Bay indicate that (1) the bay is a specialized restricted platform interior environment; (2) its fauna is divisible into three subfaunas: nearshore, mudbank, and “lake”; (3) substrate, currents, wave intensity, and wave
direction affect local distribution but do not alter regional patterns; and (4) faunal assemblages rather than individual species of foraminifera are diagnostic environmental indicators as many species range over several faunal zones. Foraminiferal biostratigraphy on a platform, whether modem
or ancient, should involve determination of ecologic patterns of family distribution, similarities of test structure, ratios between faunal groups, and general trends of populations.
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