Discoaster colletii


Classification: ntax_cenozoic -> 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: A. colleti *

Search data:
TagsLITHS: nannolith-radiate, star-shaped, CROSS-POLARS: 1ou, V-prominent,
MetricsLith size: 8->13µm; Segments: 5->7;
Data source notes: 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:

References:

Bersier, A. (1939). Discoasteridees et Coccolithophoridees des marnes oligocenes vaudoises. Bulletin de la Société Vaudoise des Sciences Naturelles. 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 V O

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: 1-231. gs V O

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


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Discoaster colletii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-2-2021

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Short stable page link: https://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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