Dilatisphaera williereae (Martin, 1966a, p.389-391, pl.1, fig.23; text-figs.33-34) Le Hérissé, 1989, p.115.
TYPE: Holotype: Martin, 1966a, pl.1, fig.23. HISTORY: Originally Hystrichosphaeridium, subsequently Dilatisphaera (combination not validly published), thirdly Palaeohystrichosphaeridium (Appendix A), fourthly (and now) Dilatisphaera. SYNONYM(S): Taxonomic junior synonym: Ozotobrachion? podolicus Sheshegova, 1973, an acritarch species, according to Kiryanov (1978, p.90). COMMENTS: This combination was not validly published in T.R. Lister (1970, p.65) since that author did not clearly use the name Dilatisphaera williereae. AGE: Silurian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |