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-5071 USNM-5070
Current identification/main database link: Acarinina quetra (Bolli 1957)
Original Description
Size:
Extra details from original publication
var. mayoensis Bronnimann and Bermudez or for G. topolensis Cushman (which probably is a Truncorotaloides). However, G. quetra lacks the sutural apertures on the spiral side which are characteristic for Truncorotaloides while its stratigraphic range is restricted to the lower Eocene. G. guetra appears to be closely related to G. wilcoxensis Cushman and Ponton, from which it is distinguished by the distinct angular shape of its test. Intermediate forms were found in the Globorotalia rex zone.
Berggren, W. A., Pearson, P. N., Huber, B. T. & Wade, B. S. (2006b). Taxonomy, biostratigraphy, and phylogeny of Eocene Acarinina. 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 9): 257-326. gs O Bolli, H. M. (1957d). The genera Globigerina and Globorotalia in the Paleocene-Lower Eocene Lizard Springs Formation 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: 61-82. gs References:
Globorotalia quetra compiled by the pforams@mikrotax project team viewed: 11-9-2024
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