Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
| Euchitoniidae neptune records: | Amphicraspedum Amphirhopalum Amphymenium Dictyocoryne Euchitonia Histiastrum Hymeniastrum Myelastrum Rhopalastrum Rhopalodictyum Spongaster Spongasteriscus Spongobrachium Spongostaurina Tessarastrum Trigonastrum | ||||
| Spongodiscidae (ss) neptune records: | |||||
| Spongodiscidae inc sed neptune records: | |||||
| Sponguridae neptune records: | |||||
| Stylodictyidae neptune records: | |||||
Catalog entries: Spongodiscidae
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Published descriptions
Lazarus et al. 2021 -
Flattened spumellarians with lenticular or radially arranged arms extending from a small
medullary shell, and usually with at least partially spongy shell structure. Shell volume divided in
many forms by concentric rings or spiralling interior walls, and often with radial spines embedded
in and approximately in the equatorial plane of the shell.
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Late Cretaceous Epoch (66.04-100.50Ma, base in Cenomanian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
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Spongodiscidae compiled by the radiolaria@mikrotax project team viewed: 16-10-2026
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205485 Go to Archive.is to create a permanent copy of this page - citation notes |