Adapertural depression

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Fig. 1. Adapertural depression and toothplate with serrated margin. SEM, from Hottinger et al., 1993. A: Bulimina elongata d'Orbigny; B: Loxostomina cf. africana (Smitter); a: aperture; ad: adapertural depression; li: lip; tp: toothplate with its serrated margin (Hottinger, 2006; fig. 2 [1] CC/BY-NC-SA)


  • according to Hottinger (2006):

ADAPERTURAL DEPRESSION - (periapertural depression; cavity; apertural fissure, sulcus, auct.) space formed by a toothplate that separates it partly or completely from the main chamber lumen. Interconnected adapertural depressions produce a canal.

See also


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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