Valves slightly dorsiventral, almost naviculoid
, lanceolate with convex dorsal and ventral margins and capitated ends.
2001) determined that nanoplankton (primarily phytoflagellates, coccolithophorids, and naviculoid
diatoms) contributed most to total phytoplankton abundance and was especially dominant in winter months.
1986) aliquot of each replicate sample and were scanned at 1000X until the same number of cells recorded as naviculoids
in the Palmer cell count were identified.