Quaternariella HOL


Classification: Coccolithophores -> Holococcoliths -> tubeless -> tubeless-minute -> Quaternariella HOL
Sister taxa: Balaniger HOL, Calciarcus, Quaternariella HOL,

Daughter taxa: (blue => in age window 0-800Ma)
Cell spherical, ca. 3-5 µm wide; scales sub-circular about 0.5 µm across; cluster of four rhombohedral crystallites (0.1- 0.15 µm) in centre of each scale

Taxonomy:

Citation: Quaternariella HOL Thomsen 1980
Rank: Genus
Type species: Quaternariella obscura Thomsen 1980

Distinguishing features: Monomorphic. Coccoliths are organic scales with a few rhombohedral crystallites arranged in squares.

Farinacci & Howe catalog pages: Quaternariella *

Search data:
TagsLITHS: holococcolith, skeletal, irregular, CA: H: fabric-rhomboid,
CSPH: spherical, monomorphic,
MetricsLith size: 0.3->0.5µm; Coccosphere size: 3->5µm;
Sources: lith and csph size from illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

See also: Quaternariella ;

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): at top of No known fossil record modern (100% up, 0Ma, in stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Thomsen, H. A. (1980a). Quaternariella obscura gen. et sp. nov. (Prymnesiophyceae) from West Greenland. Phycologia. 19(4): 260-265. gs


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Quaternariella HOL compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-11-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1143 Go to Archive.is to create a permanent copy of this page - citation notes



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