Sphaerella
From dinoflaj3
"SPHAERELLA" Keller 1946, p.95,97,107. Calcareous dinoflagellate genus (see Elbrächter et al., 2008, p.1301–1302). Name illegitimate: senior homonym Sphaerella Sommerfelt 1824, a chlorophycean. Substitute name: Inocardion. Type: not designated; "type species" Lagena (now Inocardion) orbulinaria.
Species List: