Catalog entries: Artostrobiidae
<% orig_desc %>
Published descriptions
Dumitrica, in De Wever et al. 2001 -
Type genus: Artostrobium Haeckel 1887
Definition: Shell of three, rarely four segments. Cephalis with a more or less developed ventral tube around the ventral spine of the initial spicule. Whole test or at least the third segment may have pores transversely aligned. Terminal segment without lateral or basal appendages.
Range: Middle Jurassic (Bajocian) to Recent.
Lazarus et al. 2021 -
Multisegmented nassellarians with a large pore in the cephalic lattice wall, often extended into an external tube, surrounding the vertical spine. Pores, particularly in post thoracic segments, aligned in horizontal rows, frequently with occasional horizontal hyaline bands. No basal feet or internal septa.
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:
![]() |
Artostrobiidae compiled by the radiolaria@mikrotax project team viewed: 17-10-2026
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203255 Go to Archive.is to create a permanent copy of this page - citation notes |