English

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Noun

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orbitoid (plural orbitoids)

  1. Any foraminifer of the family Orbitoididae.
    • 1918, Joseph Augustine Cushman, “Orbitoid Foraminifera of the genus Orthophragmina from Georgia and Florida”, in David White, editor, Shorter Contributions to General Geology, 1917, page 115:
      The larger orbitoid Foraminifera of the Western Hemisphere are very inadequately known, yet their occurrence in great numbers has been noted in many papers during the last three- quarters of a century.
    • 1983, Ulrich Lehmann, Fossil Invertebrates, page 30:
      The orbitoids are larger foraminifera. Their tests are radial hyaline and perforate with a discoidal growth pattern, i.e. the chambers are arranged in rings.

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