Spaulding, S.,
Edlund, M.
(2009).
Amphicampa.
In Diatoms of North America.
Retrieved October 13, 2024, from https://diatoms.org/genera/amphicampa
Eunotioid
Amphicampa
Margins distinctly undulate
Raphe short
Amphicampa valves are asymmetric to the apical axis and symmetric to the transapical axis. Both the dorsal and ventral margins of the valves are undulate. The raphe is very short and restricted to the valve ends. The raphe may only be visible through the thickening of the helictoglossa.
A single species, A. eruca Ehrenberg, is found in...