FIGURES 58–68 in Entogoniopsis gen. nov. and Trilamina gen. nov. (Bacillariophyta): a survey of multipolar pseudocellate diatoms with internal costae, including comments on the genus Sheshukovia Gleser

FIGURES 58–68. Light micrographs showing the range of morphological variation in Entogoniopsis venosa. Fig. 58: BM63792, Joe's River, Barbadoes. Fig. 59: BM35040, Barbadoes. Fig. 60: BM68793, Barbadoes. Fig. 61: BM63791, Newcastle, Barbadoes. Fig. 62: BM coll. Adams TS856, Joe's River, Barbadoes. Fig. 63: BM11107, Oamaru, New Zealand. Fig. 64: BM68793, Oamaru. Fig. 65: BM coll. Adams TS315, Oamaru. Arrow indicates a missing segment within a costa. Fig. 66: BM68793, Barbadoes. Fig. 67: BM38108, Springfield, Barbadoes. Fig. 68: ODP sample 171B-1050A-2H-2, 33–34 cm, Blake Nose, western North Atlantic Ocean.