"Hystrichosphaeridium brevispinosum var. nanus" Deflandre, 1945a, p.62-63, pl.1, figs.5-7.
TYPE: Holotype: Deflandre, 1945a, pl.1, figs.5-6. HISTORY: NOW: Polygonium nanus (Appendix A). Originally Hystrichosphaeridium brevispinosum var. nanus, subsequently Baltisphaeridium brevispinosum var. nanus (combination not validly published; Appendix A), thirdly Baltisphaeridium nanus (Appendix A), fourthly Micrhystridium nanus (Appendix A), fifthly (and now) Polygonium nanus (Appendix A), sixthly Solisphaeridium nanus (Appendix A). SYNONYM(S): Taxonomic junior synonym: Baltisphaeridium brevispinosum var. wenlockense (subsequently Salopidium wenlockense) Downie, 1959, an acritarch taxon, according to T.R. Lister (1970, p.54). COMMENTS: This name was not validly published in Deflandre (1942, fig.1 - p.476), who did not give a description. ETYMOLOGY: N.I.A. AGE: Silurian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |