Deflandrea rectangularis subsp. samuelsonii
From dinoflaj3
"subsp. samuelsonii" (Kjellström, 1973, p.22, fig.18) Lentin and Williams, 1975, p.2149. Holotype: Kjellström, 1973, fig.18. Originally Deflandrea rectangularis var. samuelsonii, subsequently Deflandrea rectangularis subsp. samuelsonii, thirdly Amphidiadema rectangularis subsp. samuelsonii. Taxonomic senior synonym: Triblastula (as and now Hystrichosphaeropsis) quasicribrata, according to Gocht (1976, p.322). Age: early–late Maastrichtian.
Parent: Deflandrea rectangularis