Horologinella pentagonalis

?pentagonalis Heilmann-Clausen and Van Simaeys, 2005, p.170, pl.5, figs.10–13.  Holotype: Heilmann-Clausen and Van Simaeys, 2005, pl.5, fig.10.  Questionable assignment: Heilmann-Clausen and Van Simaeys (2005, p.170); the authors noted that "... none of the specimens ... exhibit diagnostic dinoflagellate cyst features ...." Age: late Eocene.

Parent: Horologinella