Discoaster colletii


Classification: Coccolithophores -> Discoasterales -> Discoasteraceae -> Discoaster -> D. nodifer group -> Discoaster colletii
Sister taxa: D. cruciformis, D. colletii, D. gemmifer, D. mediosus, D. binodosus, D. nodifer, D. distinctus, D. septemradiatus, D. tanii, D. tani ornatus, D. istanbulensis, D. martinii, D. williamsii, D. backmanii, D. okadai,

Taxonomy:

Citation: Discoaster colletii (Parejas, 1934) Bersier, 1939
Rank: Species
Basionym: Actiniscus colletii Parejas, 1934

Distinguishing features: 5-7 almost wedge-shaped rays separated by very narrow and deep interradial incisions (Romein 1979)

Farinacci & Howe catalog pages: Actiniscus colleti *

Search data:
TagsLITHS: nannolith-radiate, star-shaped, RIM: tips-bifurcate, free-rays-long,
CSPH: not known, V-UNITS: all, V-prominent, R-UNITS: none, DETAILS: 1ou,
MetricsLith size: 8->13µm; Segments: 5->7;
Sources: size from Romein 1979
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP15 zone (42.87-46.29Ma, top in Lutetian stage). Data source: Romein 1979
First occurrence (base): within NP13 zone (49.11-50.50Ma, base in Ypresian stage). Data source: Romein 1979

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 colletii, synonyms included - Discoaster colletii;
  • space-time plot :: Samples map :: Parent: D. nodifer group

    References:

    Bersier, A. (1939). Discoasteridees et Coccolithophoridees des marnes oligocenes vaudoises. Bulletin de la Societe vaudoise des Sciences naturelles (Lausanne). 60: 229-248. 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 :: view :: open

    Parejas, E. (1934). Sur quelques Actiniscus du Cretace superieur des Brasses (Prealpes medianes) et de l'Ile d'Elbe. Compte Rendu des Séances de la Société de Physique et d'Histoire Naturelle de Genéve. 51: 100-107. gs :: ::

    Romein, A. J. T. (1979). Lineages in Early Paleogene calcareous nannoplankton. Utrecht Micropaleontological Bulletin. 22: 231-. gs :: ::

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


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    Discoaster colletii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 2-6-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=461 Go to Archive.is to create a permanent copy of this page - citation notes



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