Orastrum sp.


Classification: ntax_mesozoic -> Holococcoliths -> Common genera -> Orastrum -> Orastrum sp.
Sister taxa: O. schollei ⟩⟨ O. asarotum, O. campanensis, O. porosuturalis ⟩⟨ O. perspicuum, O. robinsonii ⟩⟨ O. colligatum, O. sp.

Distinguishing features: Specimens not identified to species level


Taxonomy:

Citation: Orastrum sp.
Rank: generic level id

Farinacci & Howe catalog pages:

Distinguishing features: Specimens not identified to species level


Morphology: We are using this category for images of specimens which can be identified to generic level but have not been definitively assigned to a single species.

Search data:
TagsLITHS:
MetricsLith 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): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in stage). Data source:

Plot of occurrence data:

References:

Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs V O

Perez-Rodriguez, I., Lees, J. A., Larasoaña, J. C., Arz, J. A. & Arenillas, I. (2012). Planktonic foraminiferal and calcareous nannofossil biostratigraphy and magnetostratigraphy of the uppermost Campanian and Maastrichtian at Zumaia, northern Spain. Cretaceous Research. 37: 100-126. gs

Wise, S. W. & Wind, F. H. (1977). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36(269-491): -. gs V O


nannotaxlogo400px

Orastrum sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 6-12-2020

Taxon Search:
Advanced Search

Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10828 Go to Archive.is to create a permanent copy of this page - citation notes



Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
1000
Captcha Image
Powered by Commentics