FIGURES 45–47 in Small-sized and discoid species of the genus Cocconeiopsis (Bacillariophyta) on Holothuria atra (Juan de Nova, Mozambique Channel)

FIGURES 45–47: (?)Cocconeiopsis sp. (SEM) from "JDN2 Holothuria atra". Internal views. Fig. 45: Valve broken along the raphe (arrows). Fig. 46, detail of Fig. 45, marginal rim (long arrow) with fimbriate ornamentation, minute pores on a cingular band (small arrows). Fig. 47: Valve slightly asymmetrical with helictoglossae (arrows) and marginal fimbriate ornamentation. Scale bars = 4 µm (Fig. 47); 3 µm (Fig. 45); 0.5 µm (Fig. 46).