Daughter taxa (time control age-window is: 0-800Ma) | ||||
Calicasphaera bipora Liths oval, low, with openings at either end of central area | ||||
Calicasphaera blokii Liths oval, low, with blocky crystallites. | ||||
Calicasphaera concava Liths circular, almost as high as wide, opening continuously from narrow base; proximal opening | ||||
Calicasphaera diconstricta Liths sub-circular; tall stem, with two constrictions. | ||||
Calicasphaera sp. Specimens which cannot be assigned to established species |
Taxonomy:
Distinguishing features:
Parent taxon (open-tube): Holococcoliths with tube, open distally (or cover recessed)
This taxon: Chalice-shaped coccoliths. Monomorphic
Farinacci & Howe catalog pages: Calicasphaera *
Morphology:
Phylogenetic relations
LITHS: holococcolith, circular, cylindrical, hollow, CROSS-POLARS: R-prominent, |
Lith size: 1->1.5µm; Coccosphere size: 5->11µm; |
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:
Kleijne, A. (1991). Holococcolithophorids from the Indian Ocean, Red Sea, Mediterranean Sea and North Atlantic Ocean. Marine Micropaleontology. 17: 1-76. gsReferences:
Calicasphaera compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 11-10-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=209 Go to Archive.is to create a permanent copy of this page - citation notes |
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