Distinguishing features:
Parent taxon (Calciosoleniaceae):
This taxon: Rhombic; rim bicylic; central area spanned by numerous transverse bars
Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | ![]() | Calciosolenia fossilis Minute to small, long and narrow rhombic muroliths with a central area spanned by numerous transverse bars. | ||
![]() | ![]() | ![]() | ![]() | Calciosolenia huberi A medium-sized species of Calciosolenia possessing a distally-orientated spur-like extension to the rim, located at one end of the coccolith. |
![]() | ![]() | Calciosolenia sp. Specimens not identified to species level |
Taxonomy:
Farinacci & Howe catalog pages: Calciosolenia *
Distinguishing features:
Parent taxon (Calciosoleniaceae):
This taxon: Rhombic; rim bicylic; central area spanned by numerous transverse bars
Morphology:
Size:
Phylogenetic relations: Calciosolenia is formally in the Order Syracosphaerales and is included here with the Stephanolithiaceae to avoid having a monogeneric ordinal group - and because it shows obvious affinities with the Stephanolithiacaea.
Tags | LITHS: murolith, quadrate, CA: ca_disjunct, grill, CROSS-POLARS: rim-bicyclic, R-prominent, |
Metrics | Lith size: 2->8µm; Data source notes: size range of included species |
See also: Calciosolenia - also occurs in the Cenozoic;
Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at base of Hauterivian Stage (0% up, 133.9Ma, in Valanginian stage). Data source: Total of range of species in this database
Plot of occurrence data:
Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Lower Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs O Deflandre, G. & Fert, C. (1954). Observations sur les coccolithophoridés actuels et fossiles en microscopie ordinaire et électronique. Annales de Paléontologie. 40: 115-176. gs Górka, H. (1957). Les Coccolithophoridés du Maestrichtien supérieur de Pologne. Acta Palaeontologica Polonica. 2: 239-284. gs V O Gran, H. H. (1912). Pelagic plant life. In, Murray, J. & Hjort, J. (eds) The Depths of the Ocean. Macmillan, London 307-386. gsReferences:
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Calciosolenia compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 2-7-2022
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10155 Go to Archive.is to create a permanent copy of this page - citation notes |
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