- according to Hottinger (2006):
UMBILICAL BOWL (pseudoumbilicus, pars auct.) - a deep, wide or narrow conical space in axial position formed between inner umbilical chamber walls, wherever the latter are separated from the outer umbilical walls by a distinct edge or shoulder (Fig. 1C). Compare: umbilicus; pseudoumbilicus.
Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744
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