"Baltisphaeridium dictyophorum" (Cookson and Eisenack, 1958, p.44, pl.11, fig.14) Downie and Sarjeant, 1965, p.89.
TYPE: Holotype: Cookson and Eisenack, 1958, pl.11, fig.14; Fensome et al., 1993a, fig.1 - p.1125. HISTORY: NOW: Stiphrosphaeridium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Oligosphaeridium, fourthly (and now) Stiphrosphaeridium. COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.91), since these authors did not fully reference the basionym. AGE: Late Jurassic.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |