Areal aperture

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Fig. 1. Single and multiple areal apertures. A-B: Monalysium acicularis (Batch); C-D: Peneroplis planatus (Fichtel et Moll), both from the Gulf of Aqaba, Red Sea, Recent. SEM graphs. Note the presence of pits in the porcelaneous wall and the umbilical bowl characterizing P. planatus. a: areal aperture(s); pst: peristomal rims; ub: (delimitation of) umbilical bowl; ws: whorl suture. Note the absence of interiomarginal apertures; (Hottinger, 2006; fig. 12 [1] CC/BY-NC-SA)

Definition

  • according to Hottinger (2006):

AREAL APERTURE - cameral aperture in a distal wall, not at a suture. May be single or multiple.




References

Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744

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