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-370098 USNM-58515 USNM-58514
Current identification/main database link: Thalmanninella appenninica (Renz, 1936)
Test compressed, composed of about 2 whorls, flattened dorsally, inner ends of chambers slightly elevated ventrally, periphery sharply angled, slightly keeled, entire in the young, becoming progressively more lobulated as growth proceeds; chambers few, distinct, 6 or 7 in the last-formed whorl, rapidly increasing in size as added; sutures distinct, radial and depressed on the ventral side, flush with the surface, limbate, and curved on the dorsal side; wall smooth, appearing finely granular; aperture an arched slit under the edge of the last-formed chamber, extending from the umbilicus to the periphery.
Extra details from original publication
This species differs from G. californica n. sp. in its much more flattened test and more rapid increase in size of chambers. It occurs commonly.
Globorotalia almadenensis compiled by the pforams@mikrotax project team viewed: 15-5-2021
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