Discoaster sp.

Classification: Coccolithophores -> Discoasterales -> Discoasteraceae -> Discoaster -> Discoaster sp.
Sister taxa: D. brouweri group, D. pentaradiatus group, D. quinqueramus group, D. variabilis group, D. exilis group, D. musicus group, D. deflandrei group, D. nodifer group, D. lodoensis group, D. multiradiatus group, D. araneus group, D. sp.,


Citation: Discoaster sp.
Rank: Species

Distinguishing features: Specimens which cannot be assigned to established species

Farinacci & Howe catalog pages:

Search data:
MetricsLith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NN18 zone (1.93-2.39Ma, top in Gelasian stage). Data source: same as genus
First occurrence (base): within Paleocene Epoch (55.96-66.04Ma, base in Danian stage). Data source: same as genus

Plot of occurrence data:

  • Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
  • Note to users in China - the diagram may not plot unless you use a VPN since I use google services on the website. If this is a problem please contact me 谢谢.
  • Taxon plotted: Discoaster sp., synonyms included - Discoaster "prenodifer"; Discoaster "presaipanensis"; Discoaster "pretanii"; Discoaster "six-rayed"; Discoaster (all Discoaster taxa); Discoaster (unspecified taxon); Discoaster IX/XI; Discoaster VI; Discoaster VI sec. calc.; Discoaster adamanteus (q); Discoaster aff. druggii; Discoaster aff. intercalaris; Discoaster aster; Discoaster asymmetricus (q); Discoaster aulakos (q); Discoaster berggrenii (q); Discoaster bifax/praebifax; Discoaster bolli (q); Discoaster brouweri (q); Discoaster calcaris (q); Discoaster cf. D. bellus; Discoaster cf. D. bollii; Discoaster cf. D. mediosus; Discoaster cf. D. multiradiatus; Discoaster cf. diastypus; Discoaster cf. kuepperi; Discoaster cf. saipanensis; Discoaster cf. septemradiatus; Discoaster cf. sublodoensis; Discoaster deflandrei (5 ray); Discoaster deflandrei (q); Discoaster distinctus (q); Discoaster druggii (q); Discoaster exilis (q); Discoaster extensus-dilatus group; Discoaster germanicus (q); Discoaster gr. variabilis; Discoaster in class; Discoaster kugleri (q); Discoaster lautus; Discoaster moorei (q); Discoaster neohamatus (q); Discoaster neorectus (q); Discoaster pentaradiatus (q); Discoaster prepentaradiatus (q); Discoaster quinqueramus (q); Discoaster saipanensis/barbadensi; Discoaster sanmiguelensis (q); Discoaster sp cf. D. IX/XI; Discoaster sp.; Discoaster sp. (3-rayed); Discoaster sp. (5-rayed); Discoaster sp. (6-rayed); Discoaster sp. (9-rayed); Discoaster sp. (overgrown); Discoaster sp. 1; Discoaster sp. 2; Discoaster sp. A; Discoaster sp. aff. D. deflandrei; Discoaster sp. aff. D. giganteus; Discoaster sp. aff. D. pentaradiatus; Discoaster sp. cf. D. barbadiensis; Discoaster sp. cf. D. binodosus; Discoaster sp. cf. D. bolli; Discoaster sp. cf. D. deflandrei (with web); Discoaster sp. cf. D. distinctus; Discoaster sp. cf. D. exilis; Discoaster sp. cf. D. germanicus; Discoaster sp. cf. D. kugleri; Discoaster sp. cf. D. loeblichii; Discoaster sp. cf. D. surculus; Discoaster sp. cf. D. tani; Discoaster sp. cf. D. variabilis; Discoaster sp. cf. D. wemmelensis; Discoaster sp. cf. Discoaster bellus; Discoaster sp. cf. bifax; Discoaster sp. sec. calc.; Discoaster spp.; Discoaster spp. (5 rays); Discoaster spp. (6 rays); Discoaster spp. (fragments & grainy); Discoaster spp. (fragments); Discoaster spp. (overgrown); Discoaster surculus (q); Discoaster tanii tanii (q); Discoaster undefined 5-ray; Discoaster undefined 6-ray; Discoaster undefined 6-ray b.; Discoaster undefined 6-ray m.; Discoaster variabilis (q); Discoaster triradiatus (q); Discoaster deflandrei group; Discoaster exilis group; Discoaster sp. cf. hamatus; Discoaster sp. cf. neoerectus; Discoaster sp. (with knob); Discoaster sp. cf. berggrenii; Discoaster tani group; Discoaster sp. cf. pansus; Discoaster sp. cf. quinqueramus; Discoaster falcatus/nobilis;
  • space-time plot :: Samples map :: Parent: Discoaster


    Bown, P. R. & Dunkley Jones, T. (2012). Calcareous nannofossils from the Paleogene equatorial Pacific (IODP Expedition 320 Sites U1331-1334). Journal of Nannoplankton Research. 32(2): 3-51. gs :: view :: open

    Bown, P. R. & Newsam, C. (2017). Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research. 37(1): 25-60. gs :: view :: open

    Bown, P. R. (2005). Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research. 27(1): 21-95. gs :: view :: open

    Bralower, T. J. & Self-Trail, J. (2016). Nannoplankton malformation during the Paleocene-Eocene Thermal Maximum and its paleoecological and paleoceangraphic significance. Paleoceanography. 31: 1-17. gs :: ::

    Bramlette, M. N. & Sullivan, F. R. (1961). Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology. 7(2): 129-188. gs :: ::

    Bybell, L. (1975). Middle Eocene calcareous nannofossils at Little Stave Creek, Alabama. Tulane Studies in Geology and Paleontology. 11(4): 177-247. gs :: view :: open

    Martini, E. & Bramlette, M. N. (1963). Calcareous nannoplankton from the experimental Mohole drilling. Journal of Paleontology. 37: 845-855. gs :: ::

    Okada, H. & Thierstein, H. R. (1979). Calcareous nannoplankton - Leg 43, Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 43: 507-573. gs :: view :: open

    Perch-Nielsen, K. (1971). Elektronenmikroskopische untersuchungen an Coccolithen und verwandten Formen aus dem Eozan von Danemark. Biologiske Skrifter, Kongelige Danske Videnskabernes Selskab. 18(3): 1-76. gs :: ::

    Perch-Nielsen, K. (1972). Remarks on Late Cretaceous to Pleistocene coccoliths from the North Atlantic. Initial Reports of the Deep Sea Drilling Project. 12: 1003-1069. gs :: view :: open

    Perch-Nielsen, K. (1977). Albian to Pleistocene calcareous nannofossils from the Western South Atlantic, DSDP Leg 39. Initial Reports of the Deep Sea Drilling Project. 39: 699-823. gs :: view :: open

    Pospichal, J. J. & Wise, S. W. (1990). Paleocene to Middle Eocene calcareous nannofossils of ODP sites 689 and 690, Maud Rise, Weddell Sea. Proceedings of the Ocean Drilling Program, Scientific Results. 113: 613-638. gs :: view :: open

    Shamrock, J. L. & Watkins, D. K. (2012). Eocene calcareous nannofossil biostratigraphy and community structure from Exmouth Plateau, Eastern Indian Ocean (ODP Site 762). Stratigraphy. 9(1): 1-11. gs :: ::

    Theodoridis, S. (1984). Calcareous nannofossil biostratigraphy of the Miocene and revision of the helicoliths and discoasters. Utrecht Micropaleontological Bulletin. 32: 1-271. gs :: ::

    Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 225-265. gs :: ::


    Discoaster sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 2-7-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=502 Go to Archive.is to create a permanent copy of this page - citation notes

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