Chatangiella biapertura

?biapertura (McIntyre, 1975, p.66, pl.3, figs.5–8) Lentin and Williams, 1976, p.53.  Holotype: McIntyre, 1975, pl.3, figs.5–6.  Originally Deflandrea, subsequently (and now) Chatangiella?.  Questionable assignment: Lentin and Williams (1976, p.53).  Age: Campanian–Maastrichtian.

Parent: Chatangiella