Calciconus irregularis
From dinoflaj3
*irregularis Streng et al., 2009, p.230, pl.2, figs.1–10. Holotype: Streng et al., 2009, pl.2, fig.1. Taxonomic synonym: Trigonus conicus (name not validly published), according to Streng et al. (2009, p.230). Age: middle Miocene.
Parent: Calciconus