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Hystrichosphaeropsis nuda

"Hystrichosphaeropsis nuda" (O. Wetzel, 1961, p.340, pl.2, fig.2) Sarjeant, 1985b, p.140.

TYPE: Holotype: O. Wetzel, 1961, pl.2, fig.2.

HISTORY: Originally Triblastula, subsequently Hystrichosphaeropsis.

SYNONYM(S): Taxonomic senior synonym: Triblastula (as Hystrichosphaeropsis) quasicribrata, according to Marheinecke (1992, p.44).

AGE: ?Late Cretaceous (erratic).


Infraspecific taxa:


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