Published descriptions Dumitrica, in De Wever et al. 2001 -
Definition: Shell usually of two or three, rarely four segments, oval to spindle-shaped, with cephalis small, simple, tending to sink into the thorax or even to be reduced. Thorax usually better developed than abdomen which tends to be reduced or absent.
Range: Late Jurassic? to Recent.
[Subfamily Diacanthocapsinae O’Dogherty 1994 - Range: Late Jurassic? to Late Cretaceous (Maastrichtian) or younger.]
Definition: Test usually of two, rarely three segments. Cephalis small, not well distinguished from thorax, tending to be reduced to a few bars within top of thorax.
Range: Eocene to Recent.
Lazarus et al. 2021 -
Generally two segmented forms with a reduced cephalis that is nearly indistinguishable in external outline from the thorax. Cephalis usually laterally elongated and subdivided into 3 or more chambers by internal bars or septa.
Biogeography and Palaeobiology
Biostratigraphic distribution
Geological Range: Last occurrence (top): Extant. 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:
Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested. Parent: rads_cenozoic
References:
Carpocaniidae compiled by the radiolaria@mikrotax project teamviewed: 13-10-2026
.jpg)
.jpg)
.jpg)
