"Apectodinium homomorphum subsp. quinquelatum" (Williams and Downie, 1966b, p.191-192, pl.18, fig.7) Lentin and Williams, 1977b, p.8.
TYPE: Holotype: Williams and Downie, 1966b, pl.18, fig.7. HISTORY: NOW: Apectodinium quinquelatum. Originally Wetzeliella homomorpha var. quinquelata, subsequently Wetzeliella homomorpha subsp. quinquelata, thirdly Apectodinium homomorphum subsp. quinquelatum, fourthly Wetzeliella quinquelata, fifthly (and now) Apectodinium quinquelatum. SYNONYM(S): Taxonomic senior synonym (at specific rank): Hystrichosphaeridium (now Apectodinium) geometricum, by implication in Harland (1979c, p.67), who considered the latter to be the junior name - however, Lentin and Williams (1989, p.18) retained Apectodinium quinquelatum. AGE: Early Eocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |