Schizosphaerellaceae


Classification: Mesozoic -> Mesozoic non–coccoliths -> Schizosphaerellaceae
Sister taxa: Carnicalyxia, Cassianospica, Prinsiosphaera, Schizosphaerellaceae,

Distinguishing features: Large globular test with two interlocking sub-hemispherical valves formed from a geometric arrangement of equidimensional crystallites.


Daughter taxa: (blue => in age window 0-800Ma) Granddaughter taxa
Large globular test with two interlocking sub-hemispherical valves formed from a geometric arrangement of equidimensional crystallites.

Taxonomy:

Citation: Schizosphaerellaceae Deflandre, 1959
Rank: Family
Type species: Schizosphaerella Deflandre and Dangeard, 1938

Farinacci & Howe catalog pages: Schizosphaerellaceae [no catalog entry yet]

Distinguishing features: Large globular test with two interlocking sub-hemispherical valves formed from a geometric arrangement of equidimensional crystallites.

Geological Range:
Last occurrence (top): at top of Kimmeridgian Stage (100% up, 152.1Ma, in Kimmeridgian stage). Data source: Total of range of species in this database
First occurrence (base): near base of Hettangian Stage (11% up, 201.1Ma, in Hettangian 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

Deflandre, G. & Dangeard, L. (1938). Schizosphaerella, un nouveau microfossile méconnu du Jurassique moyen et supérieur. Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences. Paris. 207: 1115-1117. gs

Deflandre, G. (1959). Sur les nannofossiles calcaires et leur systématique. Revue de Micropaléontologie. 2: 127-152. gs


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Schizosphaerellaceae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-12-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11072 Go to Archive.is to create a permanent copy of this page - citation notes



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