"Baltisphaeridium pseudhystrichodinium" (Deflandre, 1937b, p.73, pl.15 [al. pl.12], figs.3-4) Downie and Sarjeant, 1965, p.95.
EMENDATION: Davey, 1969a, p.163, as Exochosphaeridium pseudhystrichodinium. TYPE: Holotype: Deflandre, 1937b, pl.15 (al. pl.12), fig.3; Eisenack and Kjellström, 1972, p.415; Fensome et al., 1995, fig.1 - p.1705. HISTORY: NOW: Pervosphaeridium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Exochosphaeridium?, fourthly (and now) Pervosphaeridium. SYNONYM(S): Taxonomic junior synonym: Hystrichosphaeridium (as Exochosphaeridium?) palmatum, according to Yun Hyesu (1981, p.29). COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.92), since these authors did not fully reference the basionym. AGE: Late Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |