Difference between revisions of "Hystrichosphaeridium plicatum"

Revision as of 13:41, 2 December 2016

"plicatum" Maier, 1959, p.318, pl.33, fig.1.  Holotype: Maier, 1959, pl.33, fig.1.  Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium (Appendix A).  Taxonomic senior synonym (at subspecific rank): Hystrichosphaera (as Spiniferites) ramosa subsp. gracilis, according to Sarjeant (1983, p.93).  Age: mid Oligocene.