Hexalithus noeliae

Classification: Mesozoic -> Braarudosphaerales -> Transitional genera -> Hexalithus -> Hexalithus noeliae
Sister taxa: H. gardetiae, H. noeliae, H. strictus, H. sp.,

Distinguishing features: Small (4-6 µm), elements with lobate edges.


Citation: Hexalithus noeliae Loeblich & Tappan, 1966
Rank: Species
Notes & discussion: Replacement name for Hexalithus hexalithus Noël, 1956.

Farinacci & Howe catalog pages: Hexalithus noelae * , Hexalithus hexalithus *

Distinguishing features: Small (4-6 µm), elements with lobate edges.

Geological Range:
Last occurrence (top): within Early Berriasian Substage (143.57-145.01Ma, top in Berriasian stage). Data source: Bown & Cooper 1998
First occurrence (base): in lower part of NJ17b subzone (20% up, 148.9Ma, in Tithonian stage). Data source: Bown & Cooper 1998 (fig. 4) - secondary events

Plot of occurrence data:

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


    Bown, P. R. & Cooper, M. K. E. (1998). Jurassic. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 34-85. gs

    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

    Loeblich, A. R. & Tappan, H. (1966). Annotated index and bibliography of the calcareous nannoplankton. Phycologia. 5: 81-216. gs

    Noël, D. (1956). Coccolithes des terrains jurassiques de l'Algerie. Publications du Service de la Carte Géologique de l'Algérie (Nouvelle Série) Bulletin. 8: 303-345. gs

    Varol, O. & Bowman, A. R. (2019). Taxonomic revision of selected Late Jurassic (Tithonian) calcareous nannofossils and the application of mobile mounting. Neues Jahrbuch für Geologie und Paläontologie Abhandlungen. 291: 65-87. gs


    Hexalithus noeliae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-1-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10527 Go to Archive.is to create a permanent copy of this page - citation notes

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