Holodiscolithus liui


Classification: ntax_cenozoic -> Holococcoliths -> fossil holococcoliths -> Holodiscolithus -> Holodiscolithus liui
Sister taxa: H. agniniae, H. catellus, H. geisenii, H. lippertii, H. liui, H. macroporus, H. minolettii, H. serus, H. solidus, H. whitesideae, H. sp.

Taxonomy:

Citation: Holodiscolithus liui Bown & Newsam 2017
Rank: Species
Taxonomic discussion: The name was published as liuii but the correct form following ICN Art 60.8a is liui. [editor's comment - JRY 2019]

Distinguishing features: Small, elliptical with open central area spanned by broad transverse bar (dark at 0°)

Farinacci & Howe catalog pages: H. liuii *


Morphology: Small, elliptical holococcolith with narrow rim and broad bar that almost fills the central area; the bar is dark at 0° and birefringent at 45°.
Differentiation: Similar to H. serus but is more regular in outline and shows no perforations. [Bown & Newsam 2017]

Size: Holotype L = 3.9μm (Paratype L = 3.9μm).

Search data:
TagsLITHS: holococcolith, elliptical, CA: bar, CROSS-POLARS: R-prominent,
MetricsLith size: 3.5->4.5µm;
Data source notes: lith size from OD & extended slightly
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP14b subzone (46.29-47.84Ma, top in Lutetian stage). Data source: Bown & Newsam 2017
First occurrence (base): within NP14b subzone (46.29-47.84Ma, base in Lutetian stage). Data source: Bown & Newsam 2017

Plot of occurrence data:

References:

Bown, P. R. & Newsam, C. (2017). Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research. 37(1): 25-60. gs V O

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Holodiscolithus liui compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-2-2021

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=720 Go to Archive.is to create a permanent copy of this page - citation notes
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