Nyktericysta pentagonum

pentagonum (Singh, 1983, p.128–129, pl.44, figs.2–3) Bint, 1986, p.149.  Holotype: Singh, 1983, pl.44, fig.2.  Originally Endoceratium, subsequently (and now) Nyktericysta.  N.I.A.  Age: middle Cenomanian.

Parent: Nyktericysta