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: Planoheterohelix papula (Belford, 1960)
Original Description
Description: Test 1½ to 2 times as long as broad, early portion usually broadening rapidly to maximum breadth, sides of test then almost parallel, or sometimes narrowing over last one or two pairs of chambers; some specimens taper throughout. Median axis of the test usually straight, sometimes slightly curved. Central part of test depressed, periphery lobate. Chambers globular, inflated, sutures narrow, distinct, depressed, horizontal or only slightly inclined. Wall of test calcareous, finely perforate, radiate in structure; surface of test roughened on early chambers giving a pimpled appearance, last one or two pairs of chambers smooth. Aperture a large arched opening at the base of the inner margin of the chamber.
Size:
Belford, D. J. (1960). Upper Cretaceous foraminifera from the Toolonga Calcilutite and Gingin Chalk, Western Australia. Australia Bureau of Mineral Resources Geology and Geophysics, Bulletin. 57: 1-198. gsReferences:

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Guembelina papula compiled by the pforams@mikrotax project team viewed: 18-11-2025
Short stable page link: https://mikrotax.org/pforams/index.php?id=131601 Go to Archive.is to create a permanent copy of this page - citation notes |
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