Xenascus sarjeantii

sarjeantii (Corradini, 1973, p.181, pl.29, figs.2a–b,4a–b; pl.37, fig.3) Stover and Evitt, 1978, p.88.  Holotype: Corradini, 1973, pl.29, figs.2a–b.  Originally Phoberocysta, subsequently (and now) Xenascus.  Age: Senonian.

Parent: Xenascus