"Gonyaulax helicoidea subsp. cassidata" Eisenack and Cookson, 1960, p.3, pl.1, figs.5-6.
EMENDATIONS: Sarjeant, 1966b, p.125, as Gonyaulacysta cassidata; Helenes and Lucas-Clark, 1997, p.190, as Wrevittia cassidata. TYPE: Holotype: Eisenack and Cookson, 1960, pl.1, fig.5; Jan du Chêne et al., 1986a, pl.40, figs.6-7. HISTORY: NOW: Wrevittia cassidata. Originally Gonyaulax helicoidea subsp. cassidata, subsequently Gonyaulax cassidata, thirdly Gonyaulacysta cassidata, fourthly (and now) Wrevittia cassidata. AGE: Aptian-Cenomanian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |