Berggren, WA;
Pearson, PN;
Huber, B;
Wade, BS;
(2006)
Taxonomy, Biostratigraphy and Phylogeny of Eocene Acarinina.
In: Pearson, PN and Olsson, RK and Huber, BT and Hemleben, C and Berggren, WA, (eds.)
Atlas of Eocene Planktonic Foraminifera.
(pp. 257-326).
Cushman Foundation for Foraminiferal Research
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Abstract
The taxonomy, phylogeny and biostratigraphic ranges of 28 Eocene species of Acarinina are discussed together with detailed synonymies. The early Eocene is characterized by the radiation of two different groups - one characterized by rounded/inflated chambers and the other by anguloconical chambers - which are derived, in turn, from two late Paleocene lineages: the soldadoensis lineage (itself derived from Acarinina mckannai) and the esnaensis-wilcoxensis lineage (itself derived from Acarinina nitida). We interpret the genus Truncorotaloides as a synonym of Acarinina. Acarinina is regarded as paraphyletic, in that it gave rise to Morozovelloides Pearson and Berggren n. gen. in the upper part of the lower Eocene (see Pearson and Berggren Chapter 10, this volume). The following species are recognized in this chapter: Acarinina africana (El Naggar), Acarinina alticonica Fleisher, Acarinina angulosa (Bolli), Acarinina aspensis (Colom), Acarinina boudreauxi Fleisher, Acarinina bullbrooki (Bolli), Acarinina coalingensis (Cushman and Hanna), Acarinina collactea (Finlay), Acarinina cuneicamerata (Blow), Acarinina echinata (Bolli), Acarinina esnaensis (LeRoy), Acarinina esnehensis (Nakkady), Acarinina interposita Subbotina, Acarinina mcgowrani Wade and Pearson n. sp., Acarinina medizzai (Toumarkine and Bolli), Acarinina pentacamerata (Subbotina), Acarinina praetopilensis (Blow), Acarinina primitiva (Finlay), Acarinina pseudosubsphaerica Pearson and Berggren n. sp., Acarinina pseudotopilensis Subbotina, Acarinina punctocarinata Fleisher, Acarinina quetra (Bolli), Acarinina rohri (Brönnimann and Bermúdez), Acarinina sibaiyaensis (El Naggar), Acarinina soldadoensis (Brönnimann), Acarinina subsphaerica (Subbotina), Acarinina topilensis (Cushman), and Acarinina wilcoxensis (Cushman and Ponton).
| Type: | Book chapter |
|---|---|
| Title: | Taxonomy, Biostratigraphy and Phylogeny of Eocene Acarinina |
| ISBN-13: | 9781970168365 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | https://pubs.geoscienceworld.org/cushmanfoundation... |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher's terms and conditions. |
| UCL classification: | UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Earth Sciences |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10049525 |
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