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Pirumella operculata

Pirumella operculata (Bramlette and Martini, 1964, p.305-306, pl.5, figs.3-7) Williams et al., 1998, p.490.

TYPE: Holotype: Bramlette and Martini, 1964, pl.5, figs.4-5.

HISTORY: Originally Thoracosphaera, subsequently Obliquipithonella, thirdly (and now) Pirumella.

SYNONYM(S): Taxonomic junior synonym: Thoracosphaera atlantica, according to Fütterer (1990, p.540).

AGE: Maastrichtian-Paleocene.


Infraspecific taxa:


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