Lophodolithus acutus


Classification: Coccolithophores -> Zygodiscales -> Zygodiscaceae -> Lophodolithus -> Lophodolithus acutus
Sister taxa: L. acutus, L. luntii, L. mochlophorus, L. mytiliformis, L. nascens, L. reniformis, L. rotundus, L. sp.,

Taxonomy:

Citation: Lophodolithus acutus Bukry & Percival, 1971
Rank: Species

Distinguishing features: Large Lophodolithus with an asymmetric wing at one end and a distinctive angular ‘corner’ at the other end, where the rim side and end meet. Central area with disjunct, complex, tranverse bar.

Farinacci & Howe catalog pages: L. acutus *

Search data:
TagsLITHS: murolith, asymmetric, elliptical, CA: ca_disjunct, bar, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 8->12µm;
Data source notes: lith size from OD & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP16 zone (40.40-42.87Ma, top in Bartonian stage). Data source: Perch-Nielsen 1985b
First occurrence (base): within NP14b subzone (46.29-47.84Ma, base in Lutetian stage). Data source: [PRB rough estimate]

Plot of occurrence data:

References:

Bown, P. R. (2005d). Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research. 27(1): 21-95. gs V O

Bukry, D. & Percival, S. F. (1971). New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology. 8: 123-146. gs V O

Perch-Nielsen, K. (1977a). Albian to Pleistocene calcareous nannofossils from the Western South Atlantic, DSDP Leg 39. Initial Reports of the Deep Sea Drilling Project. 39: 699-823. gs V O


nannotaxlogo400px

Lophodolithus acutus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-9-2020

Taxon Search:
Advanced Search

Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=830 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