Cleistosphaeridium israelianum

"?israelianum" (Rossignol, 1962, p.132, pl.2, fig.3) Davey et al., 1966, p.170.  Holotype: Rossignol, 1962, pl.2, fig.3.  Combination not validly published: basionym not fully referenced.  NOW Operculodinium.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Cleistosphaeridium? (combination not validly published), fourthly (and now) Operculodinium. Taxonomic junior synonyms: Cleistosphaeridium cephalum, according to Jain and Garg (1991, p.78); Operculodinium crassum, according to Harland in Head and Wrenn (1992, p.20) - however, Head (1996b, p.1231) provisionally retained Operculodinium crassum.  Motile equivalent: questionably Peridinium (now Protoceratium) reticulatum Claparède and Lachmann, 1859, according to Wall and Dale (1968c, p.272).  Questionable assignment: Davey et al. (1966, p.170).  Age: Pleistocene.

Parent: Cleistosphaeridium