Apteodinium rhombiforme
From dinoflaj2
rhombiforme He Chengquan, 1991, p.112, pl.3, figs.1-2. Holotype: He Chengquan, 1991, pl.3, fig.1. This name was not validly published in He Chengquan and Wang Kede (1990, p.410), who gave the citation "Apteodinium rhombiforme He". Age: Paleocene-Eocene.
Parent: Apteodinium