HOME  Hierarchy  Table  Index  References

Appendix A

Multiplicisphaeridium piriferum

"Multiplicisphaeridium piriferum" (Eisenack, 1954a, p.206-207, pl.1, figs.1a-b; text-fig.1) Eisenack et al., 1973, p.737-739.

TYPE: Holotype: Eisenack, 1954a, pl.1, figs.1a-b.

HISTORY: NOW: Visbysphaera (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Multiplicisphaeridium, fourthly (and now) Visbysphaera (Appendix A).

SYNONYM(S): Taxonomic junior synonyms: Baltisphaeridium hermosum Cramer and Diez, 1968 (name not validly published), an acritarch species, according to Cramer (1970, p.148); Baltisphaeridium (now Visbysphaera) dilatispinosum, according to Eisenack (1965c, p.263) - however, Fensome et al. (1990, p.530) retained Baltisphaeridium (now Visbysphaera) dilatispinosum.

AGE: Silurian (Late Llandovery).


Infraspecific taxa:


Go up one level.
DINOFLAJ (c) 1998