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Pseudacanthocircus ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4892235	https://www.gbif.org/species/4892235
PaleoBioDB ID (PBDB)	85200	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=85200

Rank

genus

Taxonomy (GBIF)

Life : Chromista : Radiozoa : Polycystina : Spumellaria : Saturnalidae : Pseudacanthocircus

Taxonomy (PBDB)

Life : Retaria : Radiolaria : Entactinaria : Saturnalidae : Pseudacanthocircus

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Rhizaria
phylum	Retaria	Cavalier-Smith 1999
class	Radiolaria	Müller 1858
superorder	Polycystina
order	Entactinaria	Kozur and Mostler 1982
family	Saturnalidae	Deflandre 1953
subfamily	Saturnalinae	Deflandre 1953
genus	Pseudacanthocircus	Kozur & Mostler 1990

Scientific Name

Pseudacanthocircus Kozur & Mostler, 1990

Name Published In

Geologisch-Palaeontologische Mitteilungen 17

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Pseudacanthocircus	genus	belongs to Saturnalinae	stated with evidence	De Wever et al., 2001
Pseudacanthocircus	genus	belongs to Pseudoacanthocircidae	stated without evidence	Tekin, 2002
Pseudacanthocircus	genus	misspelling of Pseudacanthocircus	stated with evidence	Kiessling, 2005

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

209 - 201 Ma
Mesozoic

Last Recorded Appearance

199 - 191 Ma
Early Jurassic

Environment

marine (based on Radiolaria)

Motility

passively mobile (based on Radiolaria)

Diet

omnivore (based on Radiolaria)

Taphonomy

silica (based on Radiolaria)

Primary Reference (PBDB)

H. Kozur and H. Mostler. 1990. Saturnaliacea Deflandre and some other stratigraphically important Radiolaria from the Hettangian of Lenggries/Isar (Bavaria, Northern Calcareous Alps). Geologisch-Paläontologische Mitteilungen Innsbruck 17:179-248

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Pseudacanthocircus baumgartneri ✝ species	accepted (GBIF) listed (PBDB)	1	201 Ma Early Jurassic	201 Ma Early Jurassic
Pseudacanthocircus laevis ✝ species	accepted (GBIF) listed (PBDB)	2	201 Ma Early Jurassic	201 Ma Early Jurassic
Pseudacanthocircus mediospinosus ✝ species	accepted (GBIF) listed (PBDB)	1	201 Ma Early Jurassic	201 Ma Early Jurassic
Pseudacanthocircus mocki ✝ species	accepted (GBIF) listed (PBDB)	1	201 Ma Early Jurassic	201 Ma Early Jurassic
Pseudacanthocircus pseudosimplex ✝ species	accepted (GBIF) listed (PBDB)	2	201 Ma Early Jurassic	201 Ma Early Jurassic
Pseudacanthocircus sugiyamai ✝ species	accepted (GBIF) listed (PBDB)
Pseudacanthocircus terminospinosus ✝ species	accepted (GBIF) listed (PBDB)	1	201 Ma Early Jurassic	201 Ma Early Jurassic
Pseudacanthocircus troegeri ✝ species	accepted (GBIF) listed (PBDB)	1	201 Ma Early Jurassic	201 Ma Early Jurassic
Pseudoacanthocircus troegeri ✝ species	accepted (GBIF) listed (PBDB)	9	209 Ma Late/Upper Triassic	209 Ma Late/Upper Triassic

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Pseudoacanthocircus Kozur & Mostler, 1990	GBIF	genus	Chromista : Radiozoa : Polycystina : Spumellaria : Saturnalidae : *Pseudoacanthocircus*

Synonymy List

Year	Name and Author
1990	Pseudacanthocircus Kozur and Mostler
2001	Pseudacanthocircus De Wever et al. p. 209
2002	Pseudoacanthocircus Tekin

References

Kozur H., Mostler H. (1990) Saturnaliacea Deflandre and some other stratigraphically important Radiolaria from the Hettangian of Lenggries/Isar (Bavaria, Northern Calcareous Alps), Geologisch-Paläontologische Mitteilungen Innsbruck 17, 179-248

De Wever P., Dumitrica P., et al (2001) Radiolarians in the sedimentary record, London (Gordon & Breach Sc), 1-533

Tekin U.K. (2002) Lower Jurassic (Hettangian-Sinemurian) radiolarians from the Antalya Nappes, Central Taurids, Southern Turkey, Micropaleontology 48 2, 177-205

GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera

NZ cross ref or inferred from publ. title - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

as per family - via The Interim Register of Marine and Nonmarine Genera

Geologisch-Palaeontologische Mitteilungen 17 - via The Interim Register of Marine and Nonmarine Genera

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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