Spaulding, S.,
Edlund, M.
(2008).
Terpsinoë.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/terpsinoe?x-craft-preview=cab8b13ef68d1e257235fd2491770f51dfe0c9a6c0ad3b95411776e5316d603alxhbyabypv
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...