Cordosphaeridium crassum
From dinoflaj3
crassum He Chengquan, 1991, p.166, pl.14, fig.3. Holotype: He Chengquan, 1991, pl.14, fig.3. He Chengquan (1991, p.165) included this species in Cordosphaeridium subgenus Tarimocystium. Age: middle Eocene.
Parent: Cordosphaeridium