Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
![]() | ![]() | ![]() | Plagiacantha neptune records: | ||
![]() | Plectagonidium neptune records: | ||||
![]() | ![]() | ![]() | ![]() | Protoscenium neptune records: | |
![]() | ![]() | ![]() | Rhabdolithis neptune records: 13 | ||
![]() | ![]() | Tetraplecta neptune records: |
Catalog entries: Plagiacanthidae
Distinguishing features:
Parent taxon (Plagiacanthidae):
This taxon: Plagiacanthids without distinct lattice wall, consisting of the primary spicules with various branches or loose meshwork.
Morphology:
no clear formal definition in Hertwig. De Wever et al. 2001: Apoaxoplastidian skeleton represented exclusively by the initial spicule with, or without, connecting arches, or a very loose cephalic shell
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:
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Plagiacanthidae (ss) compiled by the radiolaria@mikrotax project team viewed: 13-2-2025
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