Peridinium pedunculatum forma divaricans Appendix B

"forma divaricans" Wetzel, 1933a, p.165–166, text-fig.2.  Holotype: Wetzel, 1933a, text-fig.2.  Originally Peridinium pedunculatum forma divaricans, subsequently Phelodinium tricuspis subsp. divaricans.  Taxonomic senior synonym (at specific rank): Deflandrea (now Cerodinium) albertii, according to Sarjeant (1985b, p.158) and Lentin and Williams (1993, p.504,511).  Age: Late Cretaceous.

Parent: Peridinium pedunculatum_Appendix B