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Rotaliida

(Order)

Overview

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The Rotaliida are a large and abundant group of . They are primarily oceanic benthos, although some are common in shallower waters such as estuaries. They also include many important fossils, such as nummulites. Rotaliids produce hyaline tests, in which the microscopic crystals may be oriented either radially (as in other forams) or obliquely.

Photos

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Taxonomy

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The Order Rotaliida is further organized into finer groupings including:

Families

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Acervulinidae

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Alabaminidae

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Alfredinidae

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Almaenidae

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Amphisteginidae

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Annulopatellinidae

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Asterigerinatidae

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Asterigerinidae

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Bagginidae

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Bisacciidae

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Bolivinellidae

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Bolivinidae

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Bolivinitidae

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Bronnimanniidae

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Bueningiidae

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Buliminellidae

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Buliminidae

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Buliminoididae

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Calcarinidae

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Cassidulinidae

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Caucasinidae

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Chilostomellidae

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Cibicididae

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Cymbaloporidae

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Delosinidae

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Discorbidae

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Discorbinellidae

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Elphidiidae

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Epistomariidae

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Eponididae

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Fursenkoinidae

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Gavelinellidae

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Glabratellidae

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Heleninidae

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Heronalleniidae

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Heterolepidae

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Homotrematidae

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Karreriidae

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Millettiidae

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Miogypsinidae

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Mississippinidae

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Nonionidae

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Nummulitidae

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Oridorsalidae

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Osangulariidae

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Pannellainidae

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Parrelloididae

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Pavoninidae

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Pegidiidae

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Placentulinidae

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Planorbulinidae

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Planulinidae

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Planulinoididae

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Pleurostomellidae

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Pseudoparrellidae

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Quadrimorphinidae

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Reussellidae

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Rosalinidae

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Rotaliellidae

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Rotaliidae

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Siphogenerinoididae

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Siphoninidae

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Sphaeroidinidae

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Spirotectinidae

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Stainforthiidae

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Stilostomellidae

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Tortoplectellidae

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Tosaidae

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Trichohyalidae

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Trimosinidae

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Ungulatellidae

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Uvigerinidae

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Victoriellidae

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Virgulinellidae

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More info about the Family Virgulinellidae may be found here.

Sources

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Last Revised: November 19, 2008