Deflandrea rectangularis
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"rectangularis" Cookson and Eisenack, 1962b, p.486, pl.1, figs.14–15. Holotype: Cookson and Eisenack, 1962b, pl.1, fig.14; Jan du Chêne et al., 1986a, pl.48, figs.14–15. NOW Amphidiadema. Originally Deflandrea, subsequently (and now) Amphidiadema. Taxonomic senior synonym: Triblastula (as Hystrichosphaeropsis) quasicribrata, according to Stover and Evitt (1978, p.94), who were following Gocht (1976, p.322) — however, Gocht (1976, p.322) had only included in synonymy the specimen of Amphidiadema rectangularis illustrated by Kjellström (1973, fig.17). Age: late Turonian–mid Senonian.
Parent: Deflandrea
Infrataxon List: