FIGURES 82–86 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 82–86. Triceratium dobreeanum Norman ex Greville versus Triceratium dobreeanum var. novazealandica Grove & Sturt. Figs 82–83: Line drawings of Triceratium dobreeanum Norman ex Greville, reproduced from Greville (1865a: pl. II, Figs 23–24). Fig. 84: Light micrograph of T. dobreeanum holotype, BM3340, dredging off Sydney, Australia. Figs 85–86: Line drawings of Triceratium dobreeanum var. novazealandica, reproduced from Grove & Sturt (1886: pl. XIX, Figs 17–18); note the lack of linking spines at the summits of the polar elevations. Reproductions are not to scale.