Thiersteinia


Classification: Mesozoic -> Arkhangelskiales -> Arkhangelskiellaceae -> Thiersteinia
Sister taxa: Arkhangelskiella, Broinsonia, Thiersteinia,

Distinguishing features: Similar to Broinsonia but with well-developed central spine


Daughter taxa: (blue => in age window 0-800Ma)

Specimens not identified to species level

Taxonomy:

Citation: Thiersteinia Wise & Watkins in Wise, 1983
Rank: Genus
Type species: Thiersteinia ecclesiastica Wise & Watkins in Wise, 1983

Farinacci & Howe catalog pages: Thiersteinia *

Distinguishing features: Similar to Broinsonia but with well-developed central spine

Geological Range:
Last occurrence (top): at top of Coniacian Stage (97% up, 86.4Ma, in Coniacian stage). Data source: Total of range of species in this database
First occurrence (base): in lower part of Turonian Stage (24% up, 92.9Ma, in Turonian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

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

Wise, S. W. (1983). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 481-550. gs


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

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11214 Go to Archive.is to create a permanent copy of this page - citation notes



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