Spaulding, S.
(2015).
Peronia.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/peronia?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Eunotioid
Peronia
Peronia is both heteropolar and heterovalvar. Valves have a narrow, rounded footpole and a wider headpole. The headpole is rounded to subcapitate, while the footpole is narrow and rounded. Valves are heterovalvar in that one valve has a raphe that extends from each pole to approximately one quarter of the valve length. The other valve...