- according to Hottinger (2006):
SOCCULUS - (pl. socculi); in porcelaneous foraminifera low reliefs on the basal layer that do not touch the chamber roof. May form the pedestal-like base of pillars. On previous apertural faces, low ridges may connect neighbouring pillars or septula (Amphisorus). Ribs on basal layers may support pillars as in lacazinids. Socculi are a primarily internal feature of endoskeletal nature. They have to be distinguished from ornamental elements on the surface of chambers in previous whorls that have been covered by a chamber lumen of the next whorl, such as the plugs or ridges on the apertural face in Amphistegina.
Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744.
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