Bolli1957 pl24-01.JPG_USNM5620_holo.jpg)
foliata(G)_USNM5620_holo.jpg
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.
Bolli1957 pl24-01.JPG_USNM5620_holo.jpg)
foliata(G)_USNM5620_holo.jpgLinked specimens: USNM-5620
Current identification:
Original Description
Shape of test low trochospiral ; equatorial periphery strongly lobate. Wall calcareous, perforate, siuface very finely pitted. Chambers spherical; 8 to 10, arranged in about 2 whorls; the 4 chambers of the last whorl increase very rapidly in size. Sutures on spiral side radial, deeply depressed; on umbilical side radial, deeply depressed. Umbilicus fairly small. Aperture a medium to low arch, often with a thin lip; interiomarginal, umbihcal. Coiling random. .
Size: Largest diameter of holotype 0.56 mm
Extra details from original publication
Stratigraphic range (in Cipero and Lengua formations): Catapsydrax dissimilis zone to Globorotalia menardii zone
Remarks: Globigerina foliata, new species, is characterized by having almost discrete spherical chambers. The sutures between the four chambers of the last whorl are deeply incised.
Bolli, H. M. (1957b). Planktonic foraminifera from the Oligocene-Miocene Cipero and Lengua formations of Trinidad, B.W.I. In, Loeblich, A. R. , Jr., Tappan, H., Beckmann, J. P., Bolli, H. M., Montanaro Gallitelli & E. Troelsen, J. C. (eds) Studies in Foraminifera. U.S. National Museum Bulletin. 215: 97-123. gs V OReferences:
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Globigerina foliata compiled by the pforams@mikrotax project team viewed: 26-1-2021
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