Eocene_Atlas_pl06-9_fig11-13.jpg
holotype illus_913.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.
Eocene_Atlas_pl06-9_fig11-13.jpg
holotype illus_913.jpgCurrent identification/main database link: Subbotina eocaena (Guembel 1868)
Specimens of this variety are reminiscent of Globerina trivialis Subbotina from the Danian? And Paleocene because of the close attachment of chambers. This is particularly well observed when the second and fourth chambers of the final whorl are somewhat more convex than the first and third, and have a more distinct round outline. However they are easily differentiated because of the looser arrangement of the second and third chambers of the final whorl, which is especially apparent when the first chamber of the final whorl is barely discernible and frequently invisible. In other respects this variety does not differ from Globerina pseudoeocaena. Dimensions: Diameter 0.40 - 0.55 mm.; thickness 0.18- 0.20 mm.
Original Description
Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (2006a). Taxonomy, biostratigraphy, and phylogeny of Eocene Globigerina, Globoturborotalita, Subbotina, and Turborotalita. 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 6): 111-168. gs V O Subbotina, N. N. (1953). Foraminiferes fossiles d'URSS Globigerinidae, Globorotaliidae, Hantkeninidae. Bureau de Recherches Geologiques et Minieres. 2239: 1-144. gsReferences:
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Globigerina pseudoeocaena compacta compiled by the pforams@mikrotax project team viewed: 21-3-2023
Short stable page link: https://mikrotax.org/pforams/index.php?id=130626 Go to Archive.is to create a permanent copy of this page - citation notes |
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