FIGURES 1–35 in Pseudostaurosira ellipticolanceolata, a new araphid diatom (Bacillariophyta) from Flanders, Belgium

FIGURES 1–35. Pseudostaurosira ellipticolanceolata André, Sabbe & Van de Vijver, sp. nov. LM and SEM pictures taken from the holotype material (BR-4776, Aardenburg sediment core, depth 85 cm, Belgium). 1–21. LM views of several specimens arranged in decreasing size. 22. SEM external view of an entire valve. 23. SEM view of two valves with interdigitating spines (white arrows). 24. SEM internal view of an entire valve, connected to another. 25. SEM external view of an entire valve. 26. SEM internal view of an entire valve. Note the raised virgae bordering the flat sternum. 27. SEM internal... Mehr ...