Calcisphaerula

"CALCISPHAERULA" Bonet, 1956, p.441–443.  Taxonomic senior synonym: Pithonella, according to Villain (1977, p.144) and Wendler et al. (2013, p.1098) (but see Elbrächter et al., 2008, p.1299). Calcareous dinoflagellate genus (see Elbrächter et al., 2008, p.1299).  Fensome and Williams (2004) considered this genus to be not validly published because a type was not designated.  However, Elbrächter et al. (2008, p.1298) implied that this generic name can be considered validly published as it was proposed under the I.C.Z.N. Type: not designated; "type species" — Calcisphaerula innominata.

Species List:

"*Calcisphaerula innominata"