Spaulding, S.,
Metzeltin, D.
(2013).
Brebissonia.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/brebissonia?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Asymmetric Biraphid
Brebissonia
Striae biseriate
Proximal raphe ends widely separated
Valves are rhombic-lanceolate or lanceolate and slightly isopolar. The valve face is flat and the mantle is shallow. Striae are biseriate. Robust transapical ribs are present. The proximal raphe ends are expanded and internally deflected to the primary side of the valve. The distal raphe fissure is long and bent. Internally, a prominent...