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de Kaenel et al 2017 fig7-02.jpgTaxonomy:
Distinguishing features:
Parent taxon (Catinaster): Discoasterids with bifurcate ray tips that meet to form a basket like structure
This taxon: Curved rays extend beyond basket
Farinacci & Howe catalog pages: C. calyculus * , C. calyculus rectus * , C. coalitus extensus *
Curved rays extend beyond basket. (N.B. Peleo-Alampay and Wei, 1995, Peleo-Alampay et al., 1998, use basket shape as an alternative criterion for defining C. calyculus, but without markedly better biostratigraphic discrimination). The rays lengthen through the range of the species according to Martini (1981).
Morphology:
| LITHS: nannolith-radiate, star-shaped, CROSS-POLARS: 1ou, V-prominent, |
| Lith size: 5->13µm; Segments: 6->6; Data source notes: size from OD and illustrated specimens |
Geological Range:
Last occurrence (top): within NN10 zone (8.29-9.53Ma, top in Tortonian stage). Data source: Young 1998
First occurrence (base): within NN9 zone (9.53-10.55Ma, base in Tortonian stage). Data source: Young 1998
Plot of occurrence data:
de Kaenel, E., Bergen, J. A., Browning, E., Blair, S. A. & Boesiger, T. M. (2017). Uppermost Oligocene to Middle Miocene Discoaster and Catinaster taxonomy and stratigraphy in the circum North Atlantic Basin: Gulf of Mexico and ODP Leg 154. Journal of Nannoplankton Research. 37(2-3): 215-244. gs O Martini, E. & Bramlette, M. N. (1963). Calcareous nannoplankton from the experimental Mohole drilling. Journal of Paleontology. 37(4): 845-855. gs Martini, E. (1981). Oligocene to Recent calcareous nannoplankton from the Philippine Sea, Deep Sea Drilling Project Leg 59. Initial Reports of the Deep Sea Drilling Project. 59: 547-565. gs Müller, C. (1974). Calcareous nannoplankton, Leg 25 (Western Indian Ocean). Initial Reports of the Deep Sea Drilling Project. 25: 579-633. gs Peleo-Alampay, A. & Wei, W. (1995). Magnetobiochronology of several Miocene nannofossil datums at DSDP Site 563 revisited. Revista Española de Micropaleontología. 27: 97-110. gs Peleo-Alampay, A., Bukry, D., Liu, L. & Young, J. R. (1998). Late Miocene calcareous nannofossil genus Catinaster: taxonomy, evolution and magnetobiostratigraphy. Journal of Micropalaeontology. 17(1): 71-85. gs Salomon, R. (1999). The Calcite Palace. Website - https://ina.tmsoc.org/galleries/CalcitePalace/index.htm. -. gs Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 225-265. gs References:
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Catinaster calyculus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 2-12-2023
Short stables page link: https://mikrotax.org/Nannotax3/index.php?id=240 Go to Archive.is to create a permanent copy of this page - citation notes |
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