Batiacasphaera laevigata
From dinoflaj2
laevigata (Smelror, 1988b, p.152-153, figs.10G-H) Feist-Burkhardt and Monteil, 1997, p.40. Holotype: Smelror, 1988b, fig.10G. Originally Escharisphaeridia, subsequently (and now) Batiacasphaera. Taxonomic senior synonym: Escharisphaeridia psilata, according to Poulsen (1996, p.80) - however, Feist-Burkhardt and Monteil (1997, p.40) retained Batiacasphaera laevigata. Taxonomic junior synonym: Escharisphaeridia nuda, according to Prauss in Lentin and Williams (1993, p.213). Age: Late Bathonian-Early Oxfordian.
Parent: Batiacasphaera