Horologinella magnusa
From dinoflaj3
"magnusa" Liu Zhili and Zheng Yuefang in Liu Zhili et al., 1992, p.70–71, pl.10, fig.11; text-fig.4. Holotype: Liu Zhili et al., 1992, pl.10, fig.11; text-fig.4. NOW Tetrachacysta. Originally Horologinella, subsequently (and now) Tetrachacysta. Age: Early Tertiary.
Parent: Horologinella