Spaulding, S.,
Edlund, M.
(2008).
Stauroforma.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/stauroforma?x-craft-preview=cab8b13ef68d1e257235fd2491770f51dfe0c9a6c0ad3b95411776e5316d603alxhbyabypv
Araphid
Stauroforma
Valves lack rimoportulae
Striae meet in central valve face
Central area absent
Frustules of Stauroforma are small, with an elliptic to lanceolate valve outline. The valves not centrally expanded. Rimoportulae are absent in species of Stauroforma. The striae are continuous across the valve face, although this feature may be difficult to resolve in the light microscope. Frustules are linked together into linear...