Kaminski, M.A.;
Setoyama, E.;
Tyszka, J.;
(2009)
Plectoeratidus subarcticus, n.gen., n.sp., a new agglutinated foraminifer from the Upper Cretaceous of the western Barents Sea.
Annales Societatis Geologorum Poloniae
, 79
(2)
pp. 141-146.
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Abstract
We describe the new foraminiferal genus and species Plectoeratidus subarcticus n.gen. n.sp., from the Upper Cretaceous deep-water deposits of the Kviting and Kveite formations in the western Barents Sea. The genus is characterised by its planispiral-biserial-uniserial chamber arrangement, terminal aperture and lateral compression. The biometric analysis of test ontogenesis has been applied to document its dimorphism attributed to megalospheric and microspheric generations. This taxon may represent an evolutionary transition between the Cretaceous genera Spiroplectammina or Bolivinopsis and the Cenozoic genus Eratidus. The taxon appears to be endemic to the flysch-type agglutinated foraminiferal assemblages in the Norwegian Sea area.
| Type: | Article |
|---|---|
| Title: | Plectoeratidus subarcticus, n.gen., n.sp., a new agglutinated foraminifer from the Upper Cretaceous of the western Barents Sea |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | http://www.asgp.pl/2009/79_2/141-146.html |
| Language: | English |
| Keywords: | Foraminifera, Late Cretaceous, new genus, new species, biometrics |
| UCL classification: | 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/18875 |
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