Palaeohystrichosphaeridium williereae Appendix A

"williereae" (Martin, 1966b, p.389–391, pl.1, fig.23; text-figs.33–34) Eiserhardt, 1986, p.181.  Holotype: Martin, 1966b, pl.1, fig.23.  NOW Dilatisphaera (Appendix A).  Originally Hystrichosphaeridium, subsequently Dilatisphaera (combination not validly published, Appendix A), thirdly Palaeohystrichosphaeridium, fourthly (and now) Dilatisphaera.  Taxonomic junior synonym: Ozotobrachion? podolicus Sheshegova, 1973, an acritarch species, according to Kiryanov (1978, p.90).  Age: Silurian (Llandovery).

Parent: Palaeohystrichosphaeridium_Appendix A

Infrataxon List:

"Palaeohystrichosphaeridium williereae subsp. dameryense Appendix A"
"Palaeohystrichosphaeridium williereae subsp. williereae Appendix A"