Xenascus dubius

?dubius (Corradini, 1973, p.182, pl.29, figs.6a–b) Lentin and Williams, 1993, p.681.  Holotype: Corradini, 1973, pl.29, figs.6a–b.  Originally Phoberocysta?, subsequently (and now) Xenascus?.  Questionable assignment: Lentin and Williams (1993, p.681).  This combination was not validly published in Monteil (1991b, p.471), since that author did not fully reference the basionym.  Age: Senonian.

Parent: Xenascus