Theocotyle


Classification: rads_cenozoic -> Theoperidae -> Theocotylidae -> Theocotyle
Sister taxa: Calocycloma, Lamptonium, Pterocodon, Theocotyle, Theocotylissa, Thyrsocyrtis,
Daughter taxa: (blue => in age window 0-800Ma)

neptune records: 56

neptune records: 46

neptune records: 79

neptune records: 71

neptune records:

Taxonomy

Citation: Theocotyle Riedel and Sanfilippo 1970
Rank: genus
Basionym: Theocotyle

Catalog entries: Theocotyle

Original description: This genus is erected to include the members of the lineage leading from Theocotyle cryptocephala (?) nigriniae to T. venezuelensis, inclusive, and perhaps to T. (?) ficus. Shells are three-segmented, terminated in a distinctly differentiated peristomial collar. The cephalis is hemispherical to subspherical (bearing an apical horn), the thorax campanulate, hemispherical or conical, and the abdomen (the largest segment) subcylindrical to inflated.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Chattian Stage (100% up, 23Ma, in Chattian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Danian Stage (0% up, 66Ma, in Danian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Riedel, W. R. & Sanfilippo, A. (1970). Radiolaria, Leg. 4 DSDP. Initial Reports of the Deep Sea Drilling Project. 4: 503-575. gs :: ::


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Theocotyle compiled by the radiolaria@mikrotax project team viewed: 2-6-2020

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Short stable page link: http://mikrotax.org/radiolaria/index.php?id=205818 Go to Archive.is to create a permanent copy of this page - citation notes



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