Figure 1. Moncharmontzeiana parthenopeia (Montchartmont Zei and Sgarella 1978). Gulf of Naples, Italy.  All scanning electron micrographs from Moncharmont Zei and Sgarrella (1978). 1, Side view of holotype;  scale bar = 100 µm. 2, Enlargement of basal part of holotype showing ribs of outer layer and supporting pillars; scale bar = 25 µm.  3, Higher enlargement of a small portion of test wall of holotype showing details of the arrangement of ribs [c]  and pillars [p]; scale bar = 10 µm. 4, base of holotype showing anastomosing ribs; scale bar = 100 µm.   5,  Side view of paratype with part of the outer layer removed exposing longitudinal rows of pillars; scale bar = 100 µm.