This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
Current identification/main database link:
See also: Globorotalia - type genus;
Original Description
Test in the early stages trochoid, the chambers with rough cancellated exterior and often spinose, in the adult, resuming the ancestral rotalid form, but often retaining the rough spinose surface, aperture typically opening into the umbilical area, the older species often retaining the projecting covering above the umbilical area and traces of it appear in the living forms; largely pelagic.
Cushman, J. A. (1927a). An outline of a re-classification of the Foraminifera. Contributions from the Cushman Laboratory for Foraminiferal Research. 3: 1-105. gsReferences:
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Globorotaliidae compiled by the pforams@mikrotax project team viewed: 13-12-2019
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