Batiacasphaera explanata

explanata (Bujak in Bujak et al., 1980, p.44, pl.13, figs.13–14) Islam, 1983a, p.235.  Holotype: Bujak et al., 1980, pl.13, figs.13–14.  Originally Chytroeisphaeridia, subsequently (and now) Batiacasphaera.  Matsuoka (1984a, p.376) also proposed this combination.  Age: middle Eocene (see Aubry, 1986).

Parent: Batiacasphaera