References:
Podzorski A.C. (1985): "An illustrated and annotatet chack-list of diatoms from the Black River Waterways, St. Elizabet, Jamaica", p.29,Pl.5, fig.19,20; Wikowski et al. (2000):"Iconographia Diatomologica (Vol.VII). Diatom flora of marine coast I", pg.251, Pl.73, fig.6-9; Jensen N.C. (1985):"The pennate diatoms. Hustedt's "Die kiselalgen, 2.Teil.", fig.922, pg.425
Description:
Valves elliptic-lanceolate with weakly rostrate ends; raphe is complex; axial area is very narrow, widened into a transversely oval central area; punctate striae are parallel to slightly radiate, becoming convergent towards the apices (longitudinal striae are sometimes formed by regular alignment of punctae); transapically rectangular loculae are 3µm wide (7-10 in 10µm), stopping a short way before the poles, and are rectangular with flat inner margin; length is 40-50µm, breadth is 14-19µm; striae count is 20 in 10µm (20-24 in 10µm longitudinally)
