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: Rotalioidea Ehrenberg, 1839
Original Description
[Google Translated from German]: Wheel corals.
[Loeblich and Tappan, 1988, description of superfamily Rotaliacea, p. 652]: Test enrolled in a trochospiral or planispiral coil, involute to evolute, commonly with many small chambers in numerous whorls; as new chambers are added septal flap attaches to previous apertural face and encloses radial canals, fissures, umbilical cavities, and intraseptal and subsutural canals; wall of perforate, hyaline calcite, generally optically radial in structure, or rarely hyaline oblique and optically granular; primary aperture single or multiple, interiomarginal to areal, may be absent on final chamber and only an intercameral foramen is present; small openings into the canal system may occur along the sutures but do not communicate with the chamber interior.
Ehrenberg, C. G. (1839). Über die Bildung der Kreidefelsen und des Kreidemergels durch unsichtbare Organismen. Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin. 1839: 59-147. gsReferences:

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Rotalioidea compiled by the bforams@mikrotax project team viewed: 18-6-2026
Short stable page link: https://mikrotax.org/bforams/index.php?id=2502343 Go to Archive.is to create a permanent copy of this page - citation notes |
bforams@mikrotax has been supported by US IODP Science Support Program and by the Geologic TimeScale Foundation
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