Amphidiadema rectangularis (Cookson and Eisenack, 1962b, p.486, pl.1, figs.14-15) Lentin and Williams, 1976, p.61.
TYPE: Holotype: Cookson and Eisenack, 1962b, pl.1, fig.14; Jan du Chêne et al., 1986a, pl.48, figs.14-15. HISTORY: Originally Deflandrea, subsequently (and now) Amphidiadema. COMMENTS: Contrary to the belief of Stover and Evitt (1978, p.94), Gocht (1976, p.322) did not consider this species to be a taxonomic junior synonym of Triblastula (now Hystrichosphaeropsis) quasicribrata. AGE: Late Turonian-mid Senonian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |