New species of Paleogene deep-water agglutinated foraminifera from the North Sea and Norwegian Sea / Nowe gatunki głębokowodnych otwornic aglutynujących z osadów Morza Północnego i Morza Norweskiego
We describe the following five new taxa of agglutinated benthic foraminifera from Paleogene bathyal shales of the North Sea and Norwegian Sea: Annectina biedai n.sp. (Eocene-Oligocene), Reophanus berggreni n.sp. (Eocene-Lower Oligocene), Ammoanita ingerlisae n.sp. (lower part of upper Paleocene), Co...
Main Authors: | , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
1997
|
Subjects: | |
Online Access: | https://discovery.ucl.ac.uk/id/eprint/18396/1/18396.pdf https://discovery.ucl.ac.uk/id/eprint/18396/ |
Summary: | We describe the following five new taxa of agglutinated benthic foraminifera from Paleogene bathyal shales of the North Sea and Norwegian Sea: Annectina biedai n.sp. (Eocene-Oligocene), Reophanus berggreni n.sp. (Eocene-Lower Oligocene), Ammoanita ingerlisae n.sp. (lower part of upper Paleocene), Conotrochammina voeringensis n.sp. (Campanian-lower-middle Eocene), and Cystammina sveni n.sp. (Campanian-middle Eocene). Additionally, Conotrochammina whangaia Finlay is described from the Norwegian Sea region for the first time. Insculptarenula aff. subvesicularis in the Paleocene of the North Sea may be a new species in the plexus of Cretaceous through Paleogene globorotaliid-like trochamminids. Insculptarenula subvesicularis Homola & Hanzlikova from the Albian of the Carpathians is discussed. Reophanus berggreni n.sp., Anectina biedai n.sp. and Conotrochammina voeringensis n.sp. are not known from strata outside the North Sea-Norwegian Sea region. The stratigraphic ranges of the new taxa are useful additions to the subsurface biozonation of the North Sea and offshore Norway / Wyróżniono nowy rodzaj Neaguammina n.gen. w grupie otwornic aglutynujących z rodziny Prolixoplectidae. Otwornice tego rodzaju charakteryzuje trochospiralno-trójszeregowo-dwuszeregowy układ komór skorupki, ujscie u podstawy ostatniej komory oraz sciany aglutynowane cementem organicznym. Autorzy uważają, że niektóre gatunki należące do rodzaju Gaudryina można obecnie zaliczyć do rodzaju Neaguammina n.gen |
---|