Horologinella tenuissima
From dinoflaj3
tenuissima He Chengquan, 1991, p.52, pl.5, fig.10; text-fig.6. Holotype: He Chengquan, 1991, pl.5, fig.10; text-fig.6; Pestchevitskaya, 2001, pl.2, fig.12; Pestchevitskaya, 2003, pl.2, fig.17. Age: Paleocene.
Parent: Horologinella