Peridinium divergens var. conicum Appendix B

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"var. conicum" Gran, 1900, p.47.  Holotype: information not available.  NOW Protoperidinium conicum (Appendix B).  Originally Peridinium divergens var. conicum, subsequently Peridinium conicum, thirdly (and now) Protoperidinium conicum (Appendix B).  Modern taxon defined from the motile stage.  Fossil cysts assigned to this taxon by Deflandre (1939b) were included in Palaeoperidinium deflandrei by Lentin and Williams (1973, p.105).  Age: extant. Parent: Peridinium divergens