Nannotax3 - ntax_cenozoic - Gladiolithus ornatus

Gladiolithus ornatus

Classification: ntax_cenozoic -> Coccolith families inc sed -> Coccolith genera inc sed -> Gladiolithus -> Gladiolithus ornatus
Sister taxa: G. flabellatus, G. striatus, G. adeyi ⟩⟨ G. brevis, G. contus, G. ornatus, G. sp.

BownLeesYoung 2017 f7a 6.JPG
Bown et al 2009 Palaeontology_pl2-fig1.JPG

Taxonomy:

Citation: Gladiolithus ornatus Bown, Dunkley Jones, Young & Randell 2009

Rank: Species

Distinguishing features: Tube-coccoliths short (length:width ratio c. 3.6) with a zone of oblique external striate ornament at the base.

Farinacci & Howe catalog pages: G. ornatus *

Search data:

Tags	LITHS: murolith, nannolith-other, SHAPE: elliptical, cylindrical, hollow, CA: ca_disjunct, plate, CROSS-POLARS: rim-unicyclic, V-prominent,
Metrics	Lith size: 1.5->3µm; Data source notes: lith length from OD and slightly extended

The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP9 zone (55.86-57.21Ma, top in Ypresian stage). Data source: Original description
First occurrence (base): within NP9 zone (55.86-57.21Ma, base in Thanetian stage). Data source: Original description

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
(NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Gladiolithus

References:

Bown, P. R., Young, J. R., Dunkley Jones, T. & Randell, R. (2009). A Paleogene record of extant lower photic zone calcareous nannoplankton. Palaeontology. 52(2): 457-469. 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

Gladiolithus ornatus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-3-2021

Taxon Search:

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=624 Go to Archive.is to create a permanent copy of this page - citation notes

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