Proximal chamber wall
- according to Hottinger (2006):
PROXIMAL CHAMBER WALL - (posterior chamber wall); the wall separating a chamber from the preceding one, formed by a septal flap or by a basal layer, or (in part) by a strongly inflected lateral wall that together with the distal wall of the preceding chamber produces an intraseptal space.
Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744