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Appendix A

Multiplicisphaeridium picorricum

"Multiplicisphaeridium picorricum" (Cramer, 1964, p.303-304, pl.11, figs.1-3; text-fig.24) T.R. Lister, 1970, p.92.

TYPE: Holotype: Cramer, 1964, pl.11, fig.2.

HISTORY: Originally Micrhystridium (Appendix A), subsequently Multiplicisphaeridium, thirdly Hystrichosphaeridium (combination not validly published).

SYNONYM(S): Taxonomic senior synonym: Baltisphaeridium (now Multiplicisphaeridium) cladum Downie, 1963, an acritarch species, according to Colbath (1979, p.20).

AGE: Devonian (Mid Siegenian-Emsian).


Infraspecific taxa:


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