Distinguishing features: Elliptical, minute with diagonal cross suporting a hollow spine
Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
Chiastella grana |
Taxonomy:
Farinacci & Howe catalog pages: Chiastella *
Distinguishing features: Elliptical, minute with diagonal cross suporting a hollow spine
Size: <2 µm
Tags | LITHS: placolith, elliptical, CA: ca_disjunct, process, diagonal cross, |
Metrics | Lith size: 2.5->3.5µm; Data source notes: size range of included species |
Geological Range:
Last occurrence (top): at top of Albian Stage (100% up, 100.5Ma, in Albian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Albian Stage (0% up, 113Ma, in Albian stage). Data source: Total of range of species in this database
Plot of occurrence data:
Lambert, B. (1993). Nannofossiles calcaires de l'Albien supérieur et du Vraconnien du Cameroun méridional (Deuxième Partie). Cahiers de Micropaléontologie. 8(2): 183-225. gsReferences:
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Chiastella compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-2-2021
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