FIGURES 25–33 in A review of the genus Brachysira in Ireland with the description of Brachysira praegeri and Brachysira conamarae, new raphid diatoms (Bacillariophyceae) from high status waterbodies

FIGURES 25–33. Brachysira conamarae sp. nov. Figs 25–26. LM. Fig. 25. Holotype specimen (TCD0018138). Figs 27–33. SEM. Fig. 27. External view of an elongate valve with slightly more prominent axial area. Figs 28–30. Variation in valve morphology apparent for the holotype population with varying pattern of occurrence of papillae over the valve face. Fig. 31. Oblique valve in tilt illustrating ultrastructural features. Fig. 32. Detail of the centre of the frustule with papillae over the entire valve face. Fig. 33. Detail of the valve end and T-shape distal raphe endings. Scale bar = 10 μm for all LM figures. Scale bar in all SEM micrographs = 2 μm.