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Cordosphaeridium tiara ssp. centrocarpum
Cordosphaeridium tiara ssp. centrocarpum (Deflandre and Cookson, 1955) Morgenroth, 1966
Now Operculodinium centrocarpum. Originally Hystrichosphaeridium centrocarpum, subsequently Baltisphaeridium centrocarpum, thirdly Cordosphaeridium centrocarpum, fourthly Cordosphaeridium tiara ssp. centrocarpum, fifthly (and
now) Operculodinium centrocarpum, sixthly Cordosphaeridium microtriainum ssp. centrocarpum, seventhly Cleistosphaeridium centrocarpum.
Tax. sr. synonym of Membranilarnacia delicata Kar, 1979, according to Jain, 1980.
Matsuoka, 1985, considered this taxon to represent the encysted stage of Gonyaulax grindleyi Reinecke, 1967, which species is a tax. jr. synonym of Peridinium reticulatum Claparede and Lachmann, 1859, according to Dodge, 1989.
Holotype: Deflandre and Cookson, 1955, pl.8, figs.3-4
Age: Miocene
Now Operculodinium centrocarpum. Originally Hystrichosphaeridium centrocarpum, subsequently Baltisphaeridium centrocarpum, thirdly Cordosphaeridium centrocarpum, fourthly Cordosphaeridium tiara ssp. centrocarpum, fifthly (and
now) Operculodinium centrocarpum, sixthly Cordosphaeridium microtriainum ssp. centrocarpum, seventhly Cleistosphaeridium centrocarpum.
Tax. sr. synonym of Membranilarnacia delicata Kar, 1979, according to Jain, 1980.
Matsuoka, 1985, considered this taxon to represent the encysted stage of Gonyaulax grindleyi Reinecke, 1967, which species is a tax. jr. synonym of Peridinium reticulatum Claparede and Lachmann, 1859, according to Dodge, 1989.
Holotype: Deflandre and Cookson, 1955, pl.8, figs.3-4
Age: Miocene