Daughter taxa (time control age-window is: 0-800Ma) | ||||
Quaternariella obscura HOL 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:
Distinguishing features:
Parent taxon (tubeless-minute): Lightly calcified holococcoliths, <1µm across; typically organic scales with weak calcification
This taxon: Monomorphic. Coccoliths are organic scales with a few rhombohedral crystallites arranged in squares.
Farinacci & Howe catalog pages: Quaternariella *
See also: Quaternariella ;
Search data:LITHS: holococcolith, quadrate, CSPH: equant, monomorphic, |
Lith size: 0.3->0.5µm; Coccosphere size: 3->5µm; Data source notes: lith and csph size from illustrated specimens |
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Thomsen, H. A. (1980). Quaternariella obscura gen. et sp. nov. (Prymnesiophyceae) from West Greenland. Phycologia. 19(4): 260-265. gsReferences:
Quaternariella HOL compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 5-12-2024
Short stable page link: https://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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