Classification: rads_cenozoic -> Actinommidae -> Stylosphaeridae -> Entapium
Sister taxa: Amphistylus, Entapium, Stylosphaera
Daughter taxa: (blue => in age window 0-800Ma)
Entapium chaenapium

neptune records:
Entapium regulare

neptune records: 9
Entapium sp.

neptune records:


Citation: Entapium Sanfilippo and Riedel 1973
Rank: genus
Basionym: Entapium

Catalog entries: Entapium

Original description: This genus differs from all others with a spherical cortical shells in possessing a single medullary shell which is pyriform, or at least has pores of different size at two poles. Bladed external spines are usually present on the cortical shell.


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:


Sanfilippo, A. & Riedel, W. R. (1973). Cenozoic Radiolaria (exclusive of theoperids, artostrobiids and amphipyndacids) from the Gulf of Mexico, Deep Sea Drilling Project Leg 10. Initial Reports of the Deep Sea Drilling Project. 10: 475-608. gs


Entapium compiled by the radiolaria@mikrotax project team viewed: 22-10-2020

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Short stable page link: http://mikrotax.org/radiolaria/index.php?id=204035 Go to Archive.is to create a permanent copy of this page - citation notes

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