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Fig. 1. Bipartitor and pseudoumbilicus in Eponides repandus (Fichtel et Moll) from the Gulf of Aqaba, Red Sea, Recent. SEM graphs. A: dorsal (spiral) view, B: lateral view of dissected specimen. C: oblique umbilical view of dissected specimen. D: detail of rotated oblique umbilical view. bi: bipartitor; c: spiral umbilical canal; f: foramen; pu: pseudoumbilicus; sf: septal face: note supplementary apertures closed by septal flap covering the septal face; up: umbilical plate; (Hottinger, 2006; fig. 21 [1] CC/BY-NC-SA)


  • according to Hottinger (2006):

BIPARTITOR - a bridge-like structure, extending posteriorly from an umbilical plate, crossing the preceding aperture and attached to the adjacent coil, thus cutting off the intercameral foramen from the opening into a primary umbilical canal.

See also


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

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