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Linked specimens: USNM-5720 USNM-5721 USNM-5721
Current identification:
Through the courtesy of Dr. A. R. Loeblich, U. S. National Museum, an excellently preserved specimen from an Eocene core from the Atlantic Ocean was made available to the author (pi. 36, figs, lla-b). It possesses two sutural supplementary apertures, and the surface is covered with very minute spines. It has been chosen as the holotype.
Original Description
Size:
Etymology:
Extra details from original publication
Remarks: According to the generic definition of Globigerinoides, "Globigerinoides" higginsi, new species, should be included here. This is only done provisionally because no genetic relation is apparent between this lower-middle Eocene form and the main group of Globigerinoides species which appears only at the close of the Oligocene or in the early Miocene. More detailed studies on well preserved material might reveal differences that justify a generic separation of "Globigerinoides" higginsi from Globigerinoides. It has been thought that "Globigerinoides" higginsi might possibly be the ancestor of the Globigerapsis group. However, it differs from Globigerapsis index (Finlay), which is the oldest representative of that genus, in the possession of a large umbilical aperture, higher spire, and more globular chambers.
Bolli, H. M. (1957a). Planktonic foraminifera from the Eocene Navet and San Fernando formations of Trinidad. 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: 155-172. gs Bolli, H. M., Loeblich, A. R. & Tappan, H. (1957). Planktonic foraminiferal families Hantkeninidae, Orbulinidae, Globorotaliidae and Globotruncanidae. 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: 3-50. gs Olsson, R. K., Pearson, P. N. & Huber, B. T. (2006c). Taxonomy, biostratigraphy, and phylogeny of Eocene Catapsydrax, Globorotaloides, Guembelitrioides, Paragloborotalia, Parasubbotina, and Pseudoglobigerinella n. gen. In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 41(Chap 5): 67-110. gs OReferences:
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Globigerinoides higginsi compiled by the pforams@mikrotax project team viewed: 13-2-2025
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