Achomosphaera transculenta
From dinoflaj3
transculenta (Sah et al., 1970, p.147, pl.2, figs.18–19) Jain, 1982, p.52. Holotype: Sah et al., 1970, pl.2, fig.18. Originally Hystrichosphaeridium, subsequently Hystrichosphaeridium?, thirdly (and now) Achomosphaera. Jain (1982, p.52) considered the specimen illustrated by Sah et al. (1970, pl.2, fig.19) to be Cordosphaeridium inodes. Age: Late Cretaceous.
Parent: Achomosphaera