Discoaster barbadiensis


Classification: Coccolithophores -> Discoasterales -> Discoasteraceae -> Discoaster -> D. multiradiatus group -> Discoaster barbadiensis
Sister taxa: D. delicatus, D. multiradiatus, D. lenticularis, D. wemmelensis, D. mohleri, D. nobilis, D. salisburgensis, D. barbadiensis, D. spinescens, D. kuepperi, D. splendidus, D. diastypus, D. bifax,

Taxonomy:

Citation: Discoaster barbadiensis Tan, 1927
Rank: Species
Variants:
Synonyms:

Distinguishing features: Rosette-shaped discoaster with short narrow stem on one side; 9-13 rays joined along most of their length and which taper sharply to a simple pointed ray tip;

Farinacci & Howe catalog pages: Discoaster barbadiensis * , Discoaster elegans * , Discoaster robustus * , Discoaster subbarbadiensis * , Discoaster boulangeri * , Heliodiscoaster barbadiensis * , Discoaster stradneri Martini *

Search data:
TagsLITHS: nannolith-radiate, rosette-shaped, star-shaped, RIM: N: curved rays, free-rays-short, CA: process, PROCESS: boss,
CSPH: not known, V-UNITS: all, V-prominent, R-UNITS: none, DETAILS: 1ou,
MetricsLith size: 9->17µm; Segments: 9->11;
Sources: size from OD, Romein 1979 & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP19-20 zone (34.44-36.97Ma, top in Priabonian stage). Data source: PRB entry to Nannotax
First occurrence (base): within NP11 zone (53.70-54.17Ma, base in Ypresian stage). Data source: PRB entry to Nannotax

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 barbadiensis, synonyms included - Discoaster barbadiensis; Discoaster boulangeri; Discoaster elegans; Discoaster robustus;
  • space-time plot :: Samples map :: Parent: D. multiradiatus group

    References:

    Bown, P. R. & Dunkley Jones, T. (2006). New Paleogene calcareous nannofossil taxa from coastal Tanzania: Tanzania Drilling Project Sites 11 to 14. Journal of Nannoplankton Research. 28(1): 17-34. gs

    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

    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

    Bown, P. R. (2005d). 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

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

    Deflandre, G. (1934). Les Discoasterides, microfossiles calcaires incertae sedis. Bulletin de la Societe Francaise de Microscopie. 3: 59-67. gs

    Fioroni, C., Villa, G., Persico, D. & Jovane, L. (2015a). Middle Eocene-Lower Oligocene calcareous nannofossil biostratigraphy and paleoceanographic implications from Site 711 (equatorial Indian Ocean). Marine Micropaleontology. 118: 50-62. gs

    Haq, B. U. (1969). The structure of Eocene coccoliths and discoasters from a Tertiary deep-sea core in the Cenral Pacific. Stockholm Contributions in Geology. 21(1): 1-19. gs

    Lezaud, L. (1968). Espèces nouvelles de nannofossiles calcaires (Coccolithopohridés) d'Aquitaine sud-ouest. Revue de Micropaleontologie. 2(1): 22-28. gs

    Martini, E. (1961). Nannoplankton aus dem Tertiär und der obersten Kreide von SW-Frankreich. Senckenbergiana Lethaea. 42: 1-32. gs

    Müller, C. (1974b). Calcareous nannoplankton, Leg 25 (Western Indian Ocean). Initial Reports of the Deep Sea Drilling Project. 25: 579-633. gs

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

    Self-Trail, J. (2011). Paleogene Calcareous Nannofossils of the South Dover Bridge core, Southern Maryland (USA). Journal of Nannoplankton Research. 32(1): 1-28. gs

    Shepherd, C. L. & Kulhanek, D. K. (2016). Eocene nannofossil biostratigraphy of the mid-Waipara River section, Canterbury Basin, New Zealand. Journal of Nannoplankton Research. 26(1): 33-59. gs

    Stradner, H. & Papp, A. (1961). Tertiäre Discoasteriden aus Österreich und deren stratigraphische Bedeutung mit Hinweisen auf Mexico, Rumanien und Italien. Jahrbuch der Geologischen Bundesanstalt (Wien); Special Volume. 7: 1-159. gs

    Tan, S. H. (1927b). Over de samenstelling en het onstaan van krijt en mergelgesteenten van de Molukken. Jaarboek van het Mijnwezen in Nederlandsch-Indie. 55: 111-122. gs

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

    Varol, O. (1998). Palaeogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 200-224. gs

    Wise, S. W. (1983). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 481-550. gs


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    Discoaster barbadiensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 27-2-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=449 Go to Archive.is to create a permanent copy of this page - citation notes



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