Vacherauvillius


Classification: Mesozoic -> Eiffellithales -> Chiastozygaceae -> Vacherauvillius
Sister taxa: Amphizygus, Archaeozygodiscus, Gorkaea, Placozygus, Reinhardtites, Tranolithus, Zeugrhabdotus, Staurolithites, Diadorhombus, Rhabdophidites, Ahmuellerella, Bukrylithus, Heteromarginatus, Misceomarginatus, Monomarginatus, Neocrepidolithus, Vacherauvillius, Chiastozygus, Braloweria, Clepsilithus, Crepidolithus, Loxolithus, Tubirhabdus,

Distinguishing features: Muroliths with axial, lateral and concentric bars spanning the central-area.


Daughter taxa: (blue => in age window 0-800Ma)
Muroliths with axial, lateral and concentric bars spanning the central-area.
Specimens not identified to species level

Taxonomy:

Citation: Vacherauvillius Goy in Goy et al., 1979
Rank: Genus
Type species: not designated
Variants:

Farinacci & Howe catalog pages: Vacherauvillius * , Saeptella *

Distinguishing features: Muroliths with axial, lateral and concentric bars spanning the central-area.

Geological Range:
Last occurrence (top): at top of Toarcian Stage (100% up, 174.2Ma, in Toarcian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Toarcian Stage (0% up, 182.7Ma, in Toarcian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

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

Goy, G., Noël, D. & Busson, G. (1979). Les conditions de sédimentation des schistes-carton (Toarcien inf.) du bassin de Paris déduites de l'étude des nannofossiles calcaires et des diagraphies. Documents de Géologie de la Faculté des Sciences de Lyon. 75: 33-57. gs


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Vacherauvillius compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-10-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11292 Go to Archive.is to create a permanent copy of this page - citation notes



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