radiolaria - rads_cenozoic - Plagiacanthidae (ss) radiolaria - rads_cenozoic - Plagiacanthidae (ss)

Plagiacanthidae (ss)


Classification: rads_cenozoic -> Plagiacanthidae -> Plagiacanthidae (ss)
Sister taxa: Lophophaenidae, Plagiacanthidae (ss), Plagiacanthidae inc sed, Sethoperidae, Sethophormididae, Theopiliidae
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa
Plagiacantha

neptune records:
Plagiacantha arachnoides
Plagiacantha panarium
Plagiacantha sp.

Plectagonidium

neptune records:
Plectagonidium deflandrei
Plectagonidium sp.

Protoscenium

neptune records:
Protoscenium simplex
Protoscenium sp.

Rhabdolithis

neptune records: 13
Rhabdolithis ellida
Rhabdolithis pipa
Rhabdolithis sp.

Tetraplecta

neptune records:
Tetraplecta pinigera
Tetraplecta plectaniscus
Tetraplecta sp.

Taxonomy

Citation: Hertwig, 1879
taxonomic rank: Family
Type species: Plagiacantha Claparède 1858
Taxonomic discussion: Plagiacanthidae (sensu stricto) - this category is being used for genera which were placed in the traditional family Plagiacanthidae and which are now placed in the revised family created from it with the same name but restricted scope [JRY 2020]

Catalog entries: Plagiacanthidae

Description

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

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:

References:


logo

Plagiacanthidae (ss) compiled by the radiolaria@mikrotax project team viewed: 10-12-2024

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/radiolaria/index.php?id=206161 Go to Archive.is to create a permanent copy of this page - citation notes



Add Comment

* Required information
Captcha Image

Comments

No comments yet. Be the first!