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Class:
Rotaliata
Subclass:
Rotaliana
Order:
Rotaliida
Family:
Sphaeroidinidae
Sphaeroidina
d'Orbigny, 1826
Sphaeroidina bulloides
d'Orbigny, 1826
identified by scientist
Quaternary
off Argentina
Sphaeroidina variabilis
Reuss, 1851
identified by M. Hesemann
Paleogene
North European Plain
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