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Tanyosphaeridium xanthiopyxides

Tanyosphaeridium xanthiopyxides (O. Wetzel, 1933b, p.44-45, pl.4, fig.25 ex Deflandre, 1937b, p.77) Stover and Evitt, 1978, p.85.

EMENDATIONS: Morgenroth, 1968, p.556, as Hystrichosphaeridium? xanthiopyxides; Sarjeant, 1985b, p.142-144, as Tanyosphaeridium xanthiopyxides.

TYPE: Holotype: O. Wetzel, 1933b, pl.4, fig.25, Morgenroth, 1968, pl.48, fig.5; Sarjeant, 1985b, pl.3, figs.2-3.

HISTORY: Originally Hystrichosphaera (name not validly published), subsequently Hystrichosphaeridium, thirdly Hystrichosphaeridium?, fourthly Baltisphaeridium (Appendix A), fifthly Prolixosphaeridium?, sixthly (and now) Tanyosphaeridium.

SYNONYM(S): Taxonomic junior synonym: Hystrichosphaeridium (as Tanyosphaeridium) magdalium, according to Stover and Evitt (1978, p.85).

COMMENTS: The name Hystrichosphaera xanthiopyxides was not validly published in O. Wetzel (1933b), since the generic name Hystrichosphaera was not validly published until 1937.

AGE: Late Cretaceous (?Maastrichtian, according to Sarjeant, 1985b, p.143).


Infraspecific taxa:


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