"Exochosphaeridium? palmatum" (Deflandre and Courteville, 1939, p.101, pl.3, fig.1) Davey et al., 1969, p.16.
TYPE: Holotype: Deflandre and Courteville, 1939, pl.3, fig.1. HISTORY: Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Exochosphaeridium, fourthly Exochosphaeridium?. Questionable assignment: Stover and Evitt (1978, p.154). SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (as and now Pervosphaeridium) pseudhystrichodinium, according to Yun Hyesu (1981, p.29). COMMENTS: This combination was not validly published in Davey et al. (1966, p.166), since these authors did not fully reference the basionym. AGE: Late Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |