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-5658 USNM-5657 USNM-5658 USNM-5658 USNM-5658 USNM-5658
Current identification/main database link: Globorotaloides variabilis Bolli, 1957
Original Description
Size:
Extra details from original publication
Remarks: Globorotaloides variabilis, new species, is distinguished from G. suteri, new species, by having more compressed early chambers, more curved sutures and a greater number of chambers. It is likely that G. suteri, which is restricted to the lower and middle part of the Cipero formation, is the ancestor of G. variabilis, new species.
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 Coxall, H. K. & Spezzaferri, S. (2018). Taxonomy, biostratigraphy, and phylogeny of Oligocene Catapsydrax, Globorotaloides, and Protentelloides. In, Wade, B. S., Olsson, R. K., Pearson, P. N., Huber, B. T. & Berggren, W. A. (eds) Atlas of Oligocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 46(Chap 4): 79-124. gs References:
Globorotaloides variabilis compiled by the pforams@mikrotax project team viewed: 10-12-2024
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