Multiplicisphaeridium picorricum Appendix A

"picorricum" (Cramer, 1964, p.303–304, pl.11, figs.1–3; text-fig.24) Lister, 1970, p.92.  Holotype: Cramer, 1964, pl.11, fig.2.  Originally Micrhystridium (Appendix A), subsequently Multiplicisphaeridium, thirdly Hystrichosphaeridium (combination not validly published).  Taxonomic senior synonym: Baltisphaeridium (now Multiplicisphaeridium) cladum Downie, 1963, an acritarch species, according to Colbath (1979, p.20).  Age: Devonian (middle Siegenian–Emsian).

Parent: Multiplicisphaeridium_Appendix A