Accessory aperture

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Fig. 1. Accessory aperture in bulla of Globigerinita glutinata (Egger). SEM graph from Hottinger et al., 1993; aca: accessory aperture; bu: bulla; ch: ordinary spiral chamber (Hottinger, 2006; fig. 1 [1] CC/BY-NC-SA)

Definition

  • according to Hottinger (2006):

ACCESSORY APERTURE - (infralaminal aperture, auct.) aperture that does not lead directly into the main chamber lumen, but extends beneath accessory structures (e.g. in bullae).

See also

References

Hottinger L., Halicz E. & Reiss Z., (1993). Recent Foraminiferida from the Gulf of Aqaba, Red Sea. Opera SAZU, Ljubljana, 33, 179 p. + 230 pls.

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

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