D. exilis group
Classification: ntax_cenozoic -> Discoasterales -> Discoasteraceae -> Discoaster -> D. exilis group
Sister taxa: D. brouweri group, D. pentaradiatus group, D. quinqueramus group, D. variabilis group, D. exilis group, D. musicus group, D. deflandrei group ⟩⟨ D. nodifer group, D. lodoensis group, D. multiradiatus group, D. araneus group, D. sp.
Taxonomy:
Citation: Discoaster exilis group de Kaenel et al. 2017Rank: species group
Farinacci & Howe catalog pages: Discoaster exilis group [no catalog entry yet]
Search data:
| Tags | LITHS: |
| Metrics | Lith size: 0->0µm; |
The morphological data given here can be used on the advanced search page. See also these notes
Geological Range:
Last occurrence (top): in mid part of Tortonian Stage (48% up, 9.5Ma, in Tortonian stage). Data source: Total of range of species in this database
First occurrence (base): in upper part of Burdigalian Stage (56% up, 17.9Ma, in Burdigalian stage). Data source: Total of range of species in this database
Plot of occurrence data:
- Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
- Triangles indicate an event for which a precise placement has been suggested
- Neptune data: this is a higher taxon page so Neptune data is not plotted. For the customisable plot option go to a genus page Parent: Discoaster
References:
de Kaenel, E., Bergen, J. A., Browning, E., Blair, S. A. & Boesiger, T. M. (2017). Uppermost Oligocene to Middle Miocene Discoaster and Catinaster taxonomy and stratigraphy in the circum North Atlantic Basin: Gulf of Mexico and ODP Leg 154. Journal of Nannoplankton Research. 37(2-3): 215-244. gs V O
