Baltisphaeridium pumile Appendix A

"pumile" (Wetzel, 1933b, p.44, pl.4, fig.24 ex Deflandre, 1937b, p.78) Downie and Sarjeant, 1963, p.92.  Emendation: Sarjeant, 1985b, p.162, as Diacrocanthidium pumile.  Holotype: Wetzel, 1933b, pl.4, fig.24.  Combination not validly published: basionym not fully referenced.  NOW Diacrocanthidium? pumile (Appendix A).  Originally Hystrichosphaera longispinosa forma pumilis (name not validly published), subsequently Hystrichosphaeridium pumile, thirdly Baltisphaeridium pumile (combination not validly published), fourthly Micrhystridium pumile (Appendix A), fifthly (and now) Diacrocanthidium? pumile (Appendix A).  Age: Late Cretaceous (erratic).

Parent: Baltisphaeridium_Appendix A