Taxonomy:
Distinguishing features:
Parent taxon (Cyrtosphaera): Body coccoliths with well-developed radial lath cycle, protrusion in centre; coccospheres varimorphic higher protrusions on circum-flagellar coccoliths
This taxon: BCs with prominent papillae CFC spines weakly developed
Farinacci & Howe catalog pages: A. aculeata * , S. lactaria * , C. lecaliae *
Morphology:
Size:
Biology & life-cycles
See also: Calyptrosphaera heimdaliae ;
Search data:LITHS: planolith, elliptical, CA: ca_disjunct, grill, process, CSPH: equant, monomorphic, |
Lith size: 1.5->4µm; Coccosphere size: 6->12µm; Liths per sphere: 25->55 Data source notes: lith length from Kleijne 1992 & slightly extended; csph data from Cros & Fortuño 2003; lith numbers from Yang & Wei 2003, range of estimates |
Geological Range:
Last occurrence (top): Extant. Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source:
Plot of occurrence data:
Cros, L. & Fortuño, J. -M. (2002). Atlas of northwestern Mediterranean coccolithophores. Scientia Marina. 66: 1-186. gs Kamptner, E. (1941). Die Coccolithineen der Südwestküste von Istrien. Annalen des Naturhistorischen Museums in Wien. 51: 54-149. gs O Kleijne, A. (1992). Extant Rhabdosphaeraceae (coccolithophorids, class Prymnesiophyceae) from the Indian Ocean, Red Sea, Mediterranean Sea and North Atlantic Ocean. Scripta Geologica. 100: 1-63. gs Triantaphyllou, M. et al. (2016). Coccolithophore combination coccospheres from the NE Mediterranean Sea: new evidence and taxonomic revisions. Micropaleontology. 61 [2015](6): 457-472. gs Winter, A., Reiss, Z. & Luz, B. (1979). Distribution of living coccolithophore assemblages in the Gulf of Elat ('Aqaba). Marine Micropaleontology. 4: 197-223. gs Yang, T. -N., Wei, K. & Wu, J. -T. (2012). Marine coccolithophores around Taiwan. Biodiversity Research Center, Academica Sinica, Taipei. 1-96. gs Young, J. R., Geisen, M., Cros, L., Kleijne, A., Probert, I. & Ostergaard, J. B. (2003). A guide to extant coccolithophore taxonomy. Journal of Nannoplankton Research. S1: 1-132. gs References:
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Cyrtosphaera aculeata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-2-2025
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=415 Go to Archive.is to create a permanent copy of this page - citation notes |
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