Spaulding, S.,
Edlund, M.
(2008).
Reimeria.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/reimeria?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Asymmetric Biraphid
Reimeria
Ventral margin straight to slightly convex
Ventral margin at central area tumid
Stigmoid single, positioned dorsally in central area
Valves of Reimeria are symmetric to the transapical axis and asymmetric to the apical axis. The dorsal margin is slightly arcuate. The ventral margin is markedly expanded, or tumid, at the central area. Apical porefields are present at both poles on the ventral margin and bisected by the distal raphe fissure. The axial area is narrow. A...