Calcicarpinum bivalvum
From dinoflaj3
bivalvum Versteegh, 1993, p.361,363, pl.3, figs.1–8; text-figs.5A–D. Holotype: Versteegh, 1993, pl.3, figs.1–2. Motile equivalent: Pentapharsodinium tyrrhenicum (Balech, 1990) Montresor et al., 1993 ex Head, 1996b, according to Montresor et al. (1995, p.51). Age: late Pliocene–late Pleistocene.
Parent: Calcicarpinum