Hexalithus geometricus


Classification: Mesozoic -> hidden -> deleted -> Hexalithus geometricus
Sister taxa: C. noeliae subsp. depressa, C. noeliae subsp. noeliae, C. noeliae subsp. recondita, Centosphaera, C. barbata, C. ocellatus, C. asymmetricus, H. geometricus, M. bramlettei, N. erbae, Obliquipithonella, O. prasina, O. rhombica, Orthopithonella, O. geometrica, O. misurinae, P. geometrica, P. charlotteii, P. fistulatus, S. pseudobiskayae, S. gephyrion, S. acutiferrus, > >>

Distinguishing features: Elements with indented edges.


Taxonomy:

Citation: Hexalithus geometricus Casellato, 2010

Farinacci & Howe catalog pages: Hexalithus geometricus *

Distinguishing features: Elements with indented edges.

Geological Range:
Last occurrence (top): within Berriasian Stage (139.39-145.01Ma, top in Berriasian stage). Data source: Casellato, 2010
First occurrence (base): in upper part of NJT17a subzone (70% up, 145.8Ma, in Tithonian stage). Data source: Casellato 2010, fig16 - secondary marker

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: deleted

    References:

    Casellato, C. E. (2010). Calcareous nannofossil biostratigraphy of Upper Callovian - Lower Berriasian successions from the Souhern Alps, North Italy. Rivista Italiana di Paleontologia e Stratigrafia. 116(3): 357-404. gs


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    Hexalithus geometricus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-10-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10526 Go to Archive.is to create a permanent copy of this page - citation notes



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