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Taxonomische classification
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(Brady, 1877)

Non-spinose, low trochospiral, closely related to Globorotalia menardii, yet higher- and thicker-shelled than latter. Last two chambers often twisted. Keel, lip and aperture prominent (as in Globorotalia menardii). Both species may produce thick calcite crust.

Ref.: Malmgren et al. (1983), Ravelo and Fairbanks (1995).

Distribution: Its distribution is similar to that of Globorotalia menardii, but it is less abundant.

Globorotalia tumida