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Journal of Micropalaeontology An open-access journal of The Micropalaeontological Society
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Volume 9, issue 2
J. Micropalaeontol., 9, 167–171, 1991
https://doi.org/10.1144/jm.9.2.167
© Author(s) 1991. This work is distributed under
the Creative Commons Attribution 4.0 License.
J. Micropalaeontol., 9, 167–171, 1991
https://doi.org/10.1144/jm.9.2.167
© Author(s) 1991. This work is distributed under
the Creative Commons Attribution 4.0 License.

  01 Mar 1991

01 Mar 1991

The taxonomic position of Orthoplecta Brady, 1884 (Foraminiferida)

Stefan A. Revets1. and John E. Whittaker2. Stefan A. Revets and John E. Whittaker
  • 1.Koninklijk Belgisch Instituut voor Natuurwetenschappen, Department of Palaeontology, Vautierstraat 29, B-1040 Brussels, Belgium.
  • 2.British Museum (Natural History), Department of Palaeontology, Cromwell Road, London SW7 5BD, U.K

Abstract. The type species of Orthoplecta, contrary to previous descriptions, possesses an Elongobula-like furrowed apertural face, with a distinct toothplate. Orthoplecta is reclassified in the Buliminacea in the family Orthoplectidae, herein raised to family status. The Orthoplectidae is redefined to include the genera Orthoplecta, Elongobula and Floresina. The occurrence in Orthoplecta of morphological features characteristic of both Floresina and Buliminoides raises questions concerning the evolution of these foraminifera.

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