Cordosphaeridium israelianum (Rossignol, 1962) Davey et al., 1966

Combination not validly published since Davey et al., 1966, did not fully reference the basionym.
Now Operculodinium. Originally Hystrtchosphaeridium, subsequently Baltisphaeridium, thirdly Cleistosphaeridium (combination not validly published), fourthly (and now) Operculodinium.
Tax. sr. synonym of Cleistosphaeridium cephalum Kar, 1985, according to Jain and Garg, 1991.
Tax. sr. synonym of Operculodinium crassum Harland, 1979, according to Edwards and Andrle, 1992.
Matsuoka, 1989, considered this species to represent the encysted stage of Peridinium (now Protoceratium) reticulatum Claparede and Lachmann, 1859.
Holotype: Rossignol, 1962, pl.2, fig.3
Age: PleistoceneTranslation Rossignol 1962: LPP
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Rossignol 1962, p. 132, pl.2, fig.3
Hystrichosphaeridium israelianum n.sp.
With then same general characteristics as the previous (H.ashdodense eds.) but the processes are much shorter, thick-set. Especially abundant in recent sediments.
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