Plate 1
From: Seasonal dynamics of the genus: Planktoniella Schutt in the estuarine waters of Indian Sundarbans
a, b Planktoniella sol (LM); c–e variations in organic lobe extensions of Planktoniella blanda; c, e Planktoniella blanda with 6 lobes (LM); d Planktoniella blanda with 9 lobes (LM); f Planktoniella blanda showing (white arrows) two marginal labiate processes—rimoportulae and a single central strutted process—fultoportula (SEM)