Difference between revisions of "Baltisphaeridium xanthiopyxides Appendix A"

Latest revision as of 00:46, 1 September 2015

"xanthiopyxides" (Wetzel, 1933b, p.44-45, pl.4, fig.25 ex Deflandre, 1937b, p.77) Downie and Sarjeant, 1965, p.98.  Emendations: Morgenroth, 1968, p.556, as Hystrichosphaeridium? xanthiopyxides; Sarjeant, 1985b, p.142-144, as Tanyosphaeridium xanthiopyxides.  Holotype: Wetzel, 1933b, pl.4, fig.25, Morgenroth, 1968, pl.48, fig.5; Sarjeant, 1985b, pl.3, figs.2-3; Dietz et al., 1999, fig.10, no.8.  NOW Tanyosphaeridium.  Originally Hystrichosphaera (name not validly published), subsequently Hystrichosphaeridium, thirdly Hystrichosphaeridium?, fourthly Baltisphaeridium, fifthly Prolixosphaeridium?, sixthly (and now) Tanyosphaeridium.  Taxonomic junior synonym: Hystrichosphaeridium (as Tanyosphaeridium) magdalium, according to Stover and Evitt (1978, p.85).  This combination was not validly published in Klement (1960, p.59), since that author did not fully reference the basionym.  Age: Late Cretaceous (?Maastrichtian, according to Sarjeant, 1985b, p.143).