- according to Hottinger (2006):
APERTURAL CHAMBERLET - the cavity in preseptal position below the radiate aperture in Lenticulina and related forms. The lamellar nature of the wall between the main chamber and the apertural chamberlet remains unclear at present.
Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744
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