Rhagodiscus angustus


Classification: Mesozoic -> Eiffellithales -> Rhagodiscaceae -> Rhagodiscus -> Rhagodiscus angustus
Sister taxa: R. achlyostaurion, R. adinfinitus, R. amplus, R. angustus, R. asper, R. cepekii, R. dekaenelii, R. eboracensis, R. gallagheri, R. hamptonii, R. indistinctus, R. infinitus, R. nebulosus, R. pancostii, R. plebeius, R. pseudoangustus, R. reniformis, R. robustus, R. sageri, R. splendens, R. sp.,

Distinguishing features: Elongate, narrow Rhagodiscus with parallel or slightly concave sides and a spine/spine base that spans the central area.


Taxonomy:

Citation: Rhagodiscus angustus (Stradner, 1963) Reinhardt, 1971
Rank: Species
Basionym: Rhabdolithus angustus Stradner, 1963
Synonyms:

Farinacci & Howe catalog pages: Rhabdolithus angustus * , Parhabdolithus elongatus * , Rhabdolithina exstans * ,

Distinguishing features: Elongate, narrow Rhagodiscus with parallel or slightly concave sides and a spine/spine base that spans the central area.

Geological Range:
Last occurrence (top): within Late Maastrichtian Substage (66.04-69.91Ma, top in Maastrichtian stage). Data source: Bown et al. 1998
First occurrence (base): within Early Aptian Substage (122.98-126.30Ma, base in Aptian stage). Data source: Bown et al. 1998

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: Rhagodiscus angustus, synonyms included - Parhabdolithus angustus; Parhabdolithus elongatus; Rhagodiscus angustus; Rhagodiscus angustus (robust); space-time plot :: Samples map :: Parent: Rhagodiscus

    References:

    Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Early Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs

    Hoffmann, N. (1970c). Taxonomische Untersuchungen an Coccolithen aus der Kreide Norddeutchlands anhand elektronenmikroskopischer Aufnamen. Hercynia. 7(1-3): 163-198. gs

    Reinhardt, P. (1965). Neue Familien für fossile Kalkflagellaten (Coccolithophoriden, Coccolithineen). Monatsberichte der Deutschen Akademie der Wissenschaften zu Berlin. 7: 30-40. gs

    Reinhardt, P. (1967). Fossile Coccolithen mit rhagoidem Zentralfeld (Fam. Ahmuellerellaceae, Subord. Coccolithineae). Neues Jahrbuch für Geologie und Paläontologie Monatshefte. 1967: 163-178. gs

    Reinhardt, P. (1971). Synopsis der Gattungen und Arten der mesozoischen Coccolithen und anderer kalkiger Nannofossilien. Teil III. Freiberger Forschungshefte. C267: 19-41. gs

    Stover, L. E. (1966). Cretaceous coccoliths and associated nannofossils from France and the Netherlands. Micropaleontology. 12: 133-167. gs

    Stradner, H. (1963). New contributions to Mesozoic stratigraphy by means of nannofossils. Proceedings of the Sixth World Petroleum Congress. Section 1 Paper 4: 167-183. gs

    Stradner, H., Adamiker, D. & Maresch, O. (1968). Electron microscope studies on Albian calcareous nannoplankton from the Delft 2 and Leidschendam 1 deepwells, Holland. Verdhandelingen der Koninklijke Nederlandse Akademie van Wetenschappen, Afd Natuurkunde. 24(4): 1-107. gs

    Verbeek, J. W. (1977). Calcareous nannoplankton biostratigraphy of Middle and Upper Cretaceous deposits in Tunisia, southern Spain and France. Utrecht Micropaleontological Bulletin. 16: 1-157. gs


    nannotaxlogo400px

    Rhagodiscus angustus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-7-2019

    Taxon Search:
    Advanced Search

    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11016 Go to Archive.is to create a permanent copy of this page - citation notes



    Comments (0)

    No comments yet. Be the first!

    Add Comment

    * Required information
    1000
    Captcha Image
    Powered by Commentics