Apertural plate

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Fig. 1. Apertural plate: Apertural feature in Sphaeroidina bulloides d'Orbigny. A: dissected specimen showing penultimate foramen, B: detail of aperture. SEM graphs. Recent, Gulf of Aqaba. ap: apertural plate; perr: peristomal, pustulose rim. (Hottinger, 2006; fig. 10 [1] CC/BY-NC-SA)

Definition

  • according to Hottinger (2006):

APERTURAL PLATE - (basal plate) a plate-like structure that restricts the base of an interiomarginal aperture and restricting the latter.

References

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

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