- according to Hottinger (2006):
CONTREFORT - a lateral thickening of the inner wall layer against the base of the chamber lumen that thins or vanishes in the equatorial plane, as in some archaediscids. May be homologous with basal layer.
Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744