Schizosphaerellaceae


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

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


Daughter taxa (blue => in age window 0-300Ma) 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:

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

Geological Range:
Last occurrence (top): within Kimmeridgian Stage (152.06-157.25Ma, top in Kimmeridgian stage). Data source: Total of range of species in this database
First occurrence (base): within Hettangian Stage (199.30-201.30Ma, base 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. (Editor), Calcareous nannofossil biostratigraphy. British Micropalaeontological Society Publication Series. Chapman & Hall, pp. 34-85.

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.

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


Nannotax3 - Mesozoic - Schizosphaerellaceae by: Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 30-5-2017

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