Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
| Theocotyle conica neptune records: 56 | ||||
| Theocotyle cryptocephala neptune records: 46 | ||||
| Theocotyle nigriniae neptune records: 79 | ||||
| Theocotyle venezuelensis neptune records: 71 | ||||
| Theocotyle sp. neptune records: | ||||
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.
Geological Range:
Last occurrence (top): at top of Paleogene Period (100% up, 23Ma, in Aquitanian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Riedel, W. R. & Sanfilippo, A. (1970). Radiolaria, Leg. 4 DSDP. Initial Reports of the Deep Sea Drilling Project. 4: 503-575. gsReferences:

![]() |
Theocotyle compiled by the radiolaria@mikrotax project team viewed: 25-1-2026
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205818 Go to Archive.is to create a permanent copy of this page - citation notes |