Heterosphaeridium conjunctum
From dinoflaj2
*conjunctum Cookson and Eisenack, 1968, p.115; text-figs.4G-H. Holotype: Cookson and Eisenack, 1968, text-fig.4H; Fauconnier and Masure, 2004, pl.36, fig.1. Age: Santonian-Early Campanian.
Parent: Heterosphaeridium