Senoniasphaera ptomatis
From dinoflaj2
ptomatis Helby, May and Partridge in Helby, 1987, p.319-321, figs.25A-S,26. Holotype: Helby, 1987, figs.25A-D; Fensome et al., 1996, figs.1-4 - p.2303. N.I.A. Age: mid Berriasian.
Parent: Senoniasphaera
