CATALOG OF ORIGINAL DESCRIPTIONS: Praeglobotruncana loeblichae Douglas 1969

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.

Higher levels: pf_cat -> P -> Praeglobotruncana -> Praeglobotruncana loeblichae
Other pages this level: P. algeriana, P. barbui, P. biconvexa gigantea, P. bronnimanni, P. clotensis, P. coarctata, P. compressa, P. crassa, P. gigantea, P. hagni, P. hansbollii, P. hessi compressiformis, P. hessi hessi, P. hilalensis, P. inermis, P. klausi, P. lehmanni, P. loeblichae, P. mattsoni, P. modesta, P. oraviensis, P. oraviensis trigona, P. pauliani, P. prahovae, P. primitiva, P. pseudoalgeriana, P. rohri, P. shirakinensis, P. stephani gibba

Praeglobotruncana loeblichae

Citation: Praeglobotruncana loeblichae Douglas 1969
Rank: Species
Type locality: Exposures on the western margin of the city of Benicia, Solano County, California
Type age (chronostrat): Upper Turonian
Type specimens: 47040
Type repository: Los Angeles; UCLA

Current identification/main database link: Falsotruncana loeblichae (Douglas, 1969)

Original Description
Test free, low trochospiral; spiral side gently convex; umbilical side nearly flat; equatorial periphery lobate; axial periphery semiovate to broadly truncate, covered with large spines. Chambers subglobular, 5 to 6 in final whorl, compressed, subrectangular on spiral side, sectorial on umbilical side. Sutures radial and depressed, slightly curved on spiral side. Wall calcareous, perforate; surface spiny to rugose; surface spines tangentially arranged on spiral side; coalesced surface spines radially arranged on umbilical side. Umbilicus wide and shallow. Aperture a low interiomarginal arch extending from umbilicus nearly to margin, bordered by narrow apertural lip.


Douglas, R. G. (1969). Upper Cretaceous planktonic foraminifera in northern California. Part 1 - Systematics. Micropaleontology. 15(2): 151-209. gs


Praeglobotruncana loeblichae compiled by the pforams@mikrotax project team viewed: 26-10-2020

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