Zeugrhabdotus biperforatus


Classification: Mesozoic -> Eiffellithales -> Chiastozygaceae -> Zeugrhabdotus -> Zeugrhabdotus biperforatus
Sister taxa: Z. acanthus, Z. angelozziae, Z. bicrescenticus, Z. biperforatus, Z. blowii, Z. burolletii, Z. burwellensis, Z. clarus, Z. cooperi, Z. diplogrammus, Z. elegans, Z. embergeri, Z. erectus, Z. fissus, Z. fluxus, Z. howei, Z. kerguelenensis, Z. moulladei, Z. noeliae, Z. petrizzoae, Z. praesigmoides, Z. reticulatus, Z. scutula, Z. sigmoides, Z. simplex, Z. sisyphus, Z. streetiae, Z. trivectis, Z. xenotus, Z. sp.,


Taxonomy:

Citation: Zeugrhabdotus biperforatus (Gartner, 1968) Burnett, 1997
Rank: Species
Basionym: Zygodiscus biperforatus Gartner, 1968
Synonyms:
Notes & discussion: Most of the specimens illustrated by Gartner (1968) in LM would be included in Rhagodiscus asper but the specimens illustrated in TEM are different, including the holotype plate 14, fig. 16

Farinacci & Howe catalog pages: Zygodiscus biperforatus *

Geological Range:
Last occurrence (top): within UC15d subzone (75.93-76.82Ma, top in Campanian stage). Data source: Burnett 1998
First occurrence (base): at base of UC9b subzone (0% up, 90.7Ma, in Turonian stage). Data source: Burnett 1998 (subzonal marker), fig.6.3

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: Zeugrhabdotus biperforatus, synonyms included - Reinhardtites biperforatus; Zeugrhabdotus biperforatus; space-time plot :: Samples map :: Parent: Zeugrhabdotus

    References:

    Bralower, T. J. & Bergen, J. A. (1998). Cenomanian-Santonian calcareous nannofossil biostratigraphy of a transect of cores drilled across the Western Interior Seaway. In, Dean, W. E. & Arthur, M. A. (eds) Stratigraphy and paleoenvironments of the Cretaceous Western Interior Seaway. SEPM Concepts in Sedimentology and Paleontology. -. gs

    Bukry, D. (1969). Upper Cretaceous coccoliths from Texas and Europe. The University of Kansas Paleontological Contributions. Article 51 (Protista 2): 1-79. gs

    Burnett, J. A. (1997c). New species and new combinations of Cretaceous nannofossils and a note on the origin of Petrarhabdus (Deflandre) Wise & Wind. Journal of Nannoplankton Research. 19(2): 133-146. gs

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

    Gartner, S. (1968). Coccoliths and related calcareous nannofossils from Upper Cretaceous deposits of Texas and Arkansas. The University of Kansas Paleontological Contributions. Article 48 (Protista 1): 1-56. gs

    Lees, J. A. & Bown, P. R. (2005). Upper Cretaceous calcareous nannofossil biostratigraphy, ODP Leg 198 (Shatsky Rise, Northwest Pacific Ocean). Proceedings of the Ocean Drilling Program. Scientific Results. 198: 1-60. gs

    Lees, J. A. (2007). New and rarely reported calcareous nannofossils from the Late Cretaceous of coastal Tanzania: outcrop samples and Tanzania Drilling Project Sites 5, 9 and 15. Journal of Nannoplankton Research. 29(1): 39-65. gs

    Shafik,S. (1979). Validation of Chiastozygus fessus and Reinhardtites biperforatus. INA Newsletter. 1(2): C5-5. gs

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    Zeugrhabdotus biperforatus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-9-2019

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