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Acanthocircus

Protozoa - Entactinaria - Saturnalidae

Synonyms
Synonymy list
YearName and author
1903Acanthocircus Squinabol
1944Spongosaturnalis Campbell and Clark
1997Acanthocircus Hull
2001Acanthocircus De Wever et al. p. 208
2002Acanthocircus Sepkoski
2002Spongosaturnalis Sepkoski

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RankNameAuthor
Life
Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
subclassRadiolaria(Müller 1858)
RankNameAuthor
superorderPolycystina(Ehrenberg 1838)
orderEntactinariaKozur and Mostler 1982
familySaturnalidaeDeflandre 1953
subfamilySaturnalinaeDeflandre 1953
genusAcanthocircusSquinabol 1903

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Acanthocircus Squinabol 1903
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Acanthocircus breviaculeatus Donofrio and Mostler 1978
Acanthocircus calvus Dumitrica and Zügel 2008
Acanthocircus carinatus Foreman 1973
Acanthocircus dumitricai Kiessling 1999
Acanthocircus echinocircus Dumitrica and Zügel 2008
Acanthocircus euganeus Squinabol 1914
Acanthocircus hueyi Pessagno 1976
Acanthocircus italicus Squinabol 1914
Acanthocircus minimus Squinabol 1914
Acanthocircus preclarus Foreman 1975
Acanthocircus rotundus Blome 1984
Acanthocircus simplex Squinabol 1914
Acanthocircus spelae Dumitrica and Zügel 2008
Acanthocircus spinifer Campbell and Clark 1944
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Invalid names: Acanthocircus amissus Squinabol 1914 [synonym]
Acanthocircus tympanum O'Dogherty 1994
Acanthocircus variabilis Squinabol 1914
Acanthocircus venetus Squinabol 1914
Acanthocircus yaoi Yang 1993
Invalid names: Spongosaturnalis Campbell and Clark 1944 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: silicap
Environment: marinep
Locomotion: passively mobilep
Life habit: planktonicp
Diet: omnivorep
Created: 2005-01-28 01:13:47
Modified: 2005-01-28 03:13:47
Source: p = phylum
Reference: Kiessling 1999

Age range: base of the Carnian to the top of the Danian or 237.00000 to 61.66000 Ma

Collections (298 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 227.3Albania A. sp. (53992) Spongosaturnalis sp. (53986)
Lacian227.3 - 215.38Türkiye Spongosaturnalis triasicus, Spongosaturnalis elegans (130996)
Lacian - Alaunian227.3 - 211.18New Zealand A. sp., A. rotundus (53969)
Norian227.3 - 205.7Mexico A. sp. (131157) A. sp. A (131164)
Norian227.3 - 205.7USA (Oregon) A. rotundus (96069)
Alaunian215.38 - 211.18Mexico A. sp. B (131155)
Alaunian - Sevatian215.38 - 205.7Mexico A. sp. (131149)
Sevatian211.18 - 205.7Philippines A. sp. (53998)
Rhaetian205.7 - 201.4Philippines (Palawan) A. sp. A (95145)
Early/Lower Sinemurian199.5 - 192.9Philippines A. artus, A. sp. A, A. simplex, A. italicus (51816) A. artus, A. terminospinosus, A. sp. A, A. simplex, A. italicus (51813) A. sp. B, A. simplex, A. italicus (51815) A. terminospinosus, A. simplex, A. italicus (51814)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Middle Cenomanian100.5 - 93.9Italy A. irregularis, A. venetus (77291)
Early/Lower Turonian - Middle Turonian93.9 - 89.8Slovakia A. venetus, A. tympanum (95821 95822)
Late/Upper Turonian93.9 - 89.8Greece A. venetus, A. tympanum, A. hueyi (94921)
Late/Upper Coniacian89.8 - 85.7Germany (Bayern) A. tympanum (95842)
Coniacian - Santonian89.8 - 83.6India (Jammu and Kashmir) Spongosaturnalis yaoi, Spongosaturnalis hueyi (131358)
Late/Upper Santonian85.7 - 83.6Germany (Bayern) A. nodosus, A. sp., A. tympanum (95841)
Early/Lower Campanian83.6 - 72.2Poland A. sp. (95794)
Late/Upper Campanian83.6 - 72.2South Pacific A. spinifer (95818)
Late/Upper Maastrichtian72.2 - 66.0New Zealand (Marlborough) A. ellipticus (95885 95888)
Danian66.0 - 61.66New Zealand (Marlborough) A. ellipticus (95878 95882 95891 95892 95894 95896 95897 95902 95903 95905 95907)