CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina falconensis Blow 1959
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.
Original Description Test low trochospiral with 10-12 chambers arranged in about 1½ whorls and with 4 chambers m the last whorl; chambers subspherical, slightly embracing, especially the last, increasing regularly and rather slowly in size as added; equatorial periphery lobate; axial periphery rounded; sutures of the spiral and umbilical sides radial, depressed but not much incised; umbilicus small but deep, sometimes almost closed by the strongly developed lip of the last chamber; aperture an elongate low arch or sometimes rather slitlike with a well-developed lip, interiomarginal, umbilical; wall calcareous, rather coarsely perforate. Size: Maximum diameter or holotype, 0.34 mm. Extra details from original publication Remarks: This species is distinguished from Globigerina foliata Bolli in having slightly embracing chambers and an elongate aperture with a well-developed apertural lip.
Occurrence: Ranges from the Globigerinatella insueta/Globigerinoides bispherica Subzone to the Globigerina bulloides Zone, Tocuyo and Pozon formations.
References:
Blow, W. H. (1959). Age, correlation, and biostratigraphy of the upper Tocuyo (San Lorenzo) and Pozon Formations, eastern Falcon, Venezuela. Bulletins of American Paleontology. 39(178): 67-251. gs
Globigerina falconensis compiled by the pforams@mikrotax project teamviewed: 29-5-2023
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Blow 1959 pl09 f040.JPG
Blow 1959 pl9 f40.JPG_USNM 625697_holo.jpg)
falconensis(G)_USNM 625697_holo.jpg
Blow 1959 pl09 f041.JPG
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