Microrhabdulus decoratus


Classification: Mesozoic -> Nannoliths inc sedis -> Microrhabdulaceae -> Microrhabdulus -> Microrhabdulus decoratus
Sister taxa: M. belgicus, M. decoratus, M. helicoideus, M. undosus, M. sp.,

Distinguishing features: Nearly parallel sided for most of length, in cross-polars shows chequerboard extinction


Taxonomy:

Citation: Microrhabdulus decoratus Deflandre, 1959
Rank: Species
Synonyms:

Farinacci & Howe catalog pages: Microrhabdulus decoratus * , Microrhabdulus decoratus attenuatus * , Microrhabdulus stradneri * ,

Distinguishing features: Nearly parallel sided for most of length, in cross-polars shows chequerboard extinction

Geological Range:
Last occurrence (top): at top of Maastrichtian Stage (100% up, 66Ma, in Maastrichtian stage). Data source: Lees & Bown 2005 - consistently present to end Cret
First occurrence (base): within Cenomanian Stage (93.90-100.50Ma, base in Cenomanian stage). Data source: Burnett 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: Microrhabdulus decoratus, synonyms included - Micrantholithus stradneri; Microrhabdulus attenuatus; Microrhabdulus decoratus; Microrhabdulus stradneri; space-time plot :: Samples map :: Parent: Microrhabdulus

    References:

    Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs

    Deflandre, G. (1959). Sur les nannofossiles calcaires et leur systématique. Revue de Micropaléontologie. 2: 127-152. gs


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    Microrhabdulus decoratus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-7-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10669 Go to Archive.is to create a permanent copy of this page - citation notes



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