Bilapillus wadeae


Classification: ntax_mesozoic -> Holococcoliths -> Rarer genera -> Bilapillus -> Bilapillus wadeae
Sister taxa: B. wadeae, B. sp.


Taxonomy:

Citation: Bilapillus wadeae Lees, 2007
Rank: Species
Synonyms:

Farinacci & Howe catalog pages: B. wadeae * , B. phenax *


Morphology: Simlar to Lucianorhabdus compactus but smaller. "A small species of Bilapillus. The illustrations in Pl.13, figs 44, 45 appear to show perforations in the central blocks." [Lees 2007]

Size: 2.5-4µm long (Blair & Watkins, 2009); Holotype dimensions: L = 3.30μm, W = 2.20μm.

Search data:
TagsLITHS: holococcolith, elliptical, CA: pores, CROSS-POLARS: rim-unicyclic, V-prominent, R-prominent,
MetricsLith size: 2->4µm; Segments: 2->2;
Data source notes: original description & 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 Santonian Stage (83.64-86.26Ma, top in Santonian stage). Data source: Blair & Watkins (2009)
First occurrence (base): within Cenomanian Stage (93.90-100.50Ma, base in Cenomanian stage). Data source: Lees 2007 (original description)

Plot of occurrence data:

References:

Blair, S. A. & Watkins, D. K. (2009). High-resolution calcareous nannofossil biostratigraphy for the Coniacian/Santonian Stage boundary, Western Interior Basin. Cretaceous Research. 30(2): 367-384. gs

Bown, P. R., Lees, J. A. & Young, J. R. (2017). On the Cretaceous origin of the Order Syracosphaerales and the genus Syracosphaera. Journal of Micropalaeontology. 36(2): 153-165. gs V O

Lees, J. A. (2007). New and rarely reported calcareous nannofossils from the Late Cretaceous of coastal Tanzania: outcrop samples and Tanzania Drilling Project Sites 5, 9 and 15. Journal of Nannoplankton Research. 29(1): 39-65. gs V O

nannotaxlogo400px

Bilapillus wadeae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-1-2021

Taxon Search:
Advanced Search

Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10064 Go to Archive.is to create a permanent copy of this page - citation notes
Powered by Mikrotax taxonomy content management system developed by Jeremy Young


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