Protoellipsodinium spinigerum

"spinigerum" (Brideaux, 1977, p.30, pl.12, figs.8-9; pl.13, figs.1-11) Lentin and Williams, 1981, p.235.  Holotype: Brideaux, 1977, pl.12, figs.8-9; pl.13, figs.1-4.  Originally Operculodinium?, subsequently Protoellipsodinium.  Taxonomic senior synonym: Protoellipsodinium clavulum, according to Duxbury (1983, p.53).  Age: Barremian.

Parent: Protoellipsodinium