Thoracosphaera thoracata
From dinoflaj2
"thoracata" Keupp, 1979a, p.19, pl.2, figs.8-11. Holotype: Keupp, 1979a, pl.2, figs.8,11. Taxonomic senior synonym: Pithonella (now Pirumella) sheilasantawae, according to Keupp (1981, p.63). Age: Early Barremian.
Parent: Thoracosphaera