Spaulding, S.,
Edlund, M.
(2008).
Terpsinoë.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/terpsinoe?x-craft-preview=409442409a997390693ff24c7010fd6f1c96fb56f8f091fa016a63de9a54aaccecpiqubknd
Centric
Terpsinoë
Valves elongate, margins undulate
Valve center with rimoportula
Porefields at valve apices
Transverse costae distinct
Terpsinoë is a multipolar, 'centric' diatom. The frustules are heavily silicified and elongate, with strongly undulate margins. Porefields are located at the valve apices. Internal, heavily silicified transverse costae are present. In girdle view, the transverse costae appear to form the shape of musical notes. Rimoportulae are...