Spaulding, S.,
Edlund, M.
(2009).
Discostella.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/discostella?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Centric
Discostella
Central area with large alveoli, often star-shaped
Costae marginal, radia
Marginal fultoportulae present
Discostella grows as solitary cells or forms colonies in chains. The central area may be flat or concentrically undulate. Large, distinctive alveoli form a star-shaped pattern in the central valve. Radial costae are present at the valve margin. Small spines may be present or absent on the costae. Central to the costae are striae, which...