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.
Linked specimens: USNM-73419 USNM-6702
Current identification/main database link: Radotruncana calcarata (Cushman, 1927)
Test trochoid, umbilicate, dorsal and ventral sides nearly parallel, the sides angled, obliquely truncate; chambers 4 or 5 in the final whorl, each with a stout peripheral spine, the early ones on the dorsal side oblique and marked by a bead-like ornamentation, ventrally radial, slightly depressed; aperture opening onto the umbilical region.
Size: Diameter with spines 0.40 mm.
Extra details from original publication
This is related to Globotruncana arca (Cushman) but is distinct in the large, well developed peripheral spines. The species also occurs in the Mendez Shales of the Tampico Embayment, Mexico.
Globotruncana calcarata compiled by the pforams@mikrotax project team viewed: 30-7-2021
Short stable page link: https://mikrotax.org/pforams/index.php?id=131385 Go to Archive.is to create a permanent copy of this page - citation notes