Pirumella operculata
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"operculata" (Bramlette and Martini, 1964, p.305-306, pl.5, figs.3-7) Williams et al., 1998, p.490. Holotype: Bramlette and Martini, 1964, pl.5, figs.4-5. NOW Operculodinella. Originally Thoracosphaera, subsequently Obliquipithonella, thirdly Pirumella, fourthly (and now) Operculodinella. Taxonomic junior synonym: Thoracosphaera atlantica, according to Fütterer (1990, p.540). Age: Maastrichtian-Paleocene.
Parent: Pirumella
