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Orbitoidacea |
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Orbitoidacea [‚ȯr·bə·tȯi′dās·ē‚ə]
(invertebrate zoology) A superfamily of foraminiferan protozoans in the suborder Rotaliina characterized by a low trochospire or a planispiral, uncoiled or branching test composed of radial calcite with bilamellar septa. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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