Spinidinium ovale

ovale (Vozzhennikova, 1967, p.99, pl.40, figs.1a–b,2a–b) Lentin and Williams, 1977b, p.147.  Holotype: Vozzhennikova, 1967, pl.40, figs.1a–b, lost according to Lentin and Vozzhennikova (1990, p.69), who stated that no potential lectotype is available.  Originally Canninginopsis, subsequently Spinidinium?, thirdly (and now) Spinidinium.  Questionable assignment: Lentin and Williams (1977b, p.147): however, Sluijs et al. (2009, p.48) retained this species in Spinidinium without question.  Age: Paleocene–Eocene.

Parent: Spinidinium