Batiacasphaera laevigata

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