Impagidinium alectrolophum

alectrolophum (Sarjeant, 1966b, p.134-135, pl.15, figs.3-6; text-fig.34) Stover and Evitt, 1978, p.165.  Holotype: Sarjeant, 1966b, pl.15, figs.5-6; Jan du Chêne et al., 1986a, pl.54, figs.15-16.  Originally Leptodinium, subsequently (and now) Impagidinium, thirdly Pterodinium.  Lentin and Williams (1985, p.194) retained this species in Impagidinium.  Age: mid Barremian.

Parent: Impagidinium