Protoperidinium subgenus Protoperidinium section Selenopemphix Appendix B

PROTOPERIDINIUM subgenus PROTOPERIDINIUM section SELENOPEMPHIX (Benedek, 1972, p.47) Harland, 1982, p.396.  Emendations: Bujak in Bujak et al., 1980, p.82; Head, 1993, p.32, both as Selenopemphix.  Combination not validly published: basionym not fully referenced.  NOW Selenopemphix.  Originally (and now) Selenopemphix, subsequently Protoperidinium subgenus Protoperidinium section Selenopemphix (name not validly published).  Taxonomic junior synonyms: Omanodinium, according to Bradford and Wall (1984, p.49) and Head (1993, p.32); Multispinula, according to Matsuoka (1985a, p.51) and Head (1993, p.31–32).  Head (1993, p.32) considered by implication that the acritarch genus Margosphaera Nagy, 1965, is the possible taxonomic senior synonym of this taxon.  Type: Benedek, 1972, pl.11, fig.13, as Selenopemphix nephroides.