Escharisphaeridia laevigata
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"laevigata" Smelror, 1988b, p.152–153, figs.10G–H. Holotype: Smelror, 1988b, fig.10G. NOW Batiacasphaera. 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 Escharisphaeridia (as and now Batiacasphaera) laevigata. Taxonomic junior synonym: Escharisphaeridia nuda, according to Prauss in Lentin and Williams (1993, p.213). Age: late Bathonian–early Oxfordian.
Parent: Escharisphaeridia