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Aristocystites

Aristocystitidae

Taxonomy
Aristocystites was named by Barrande (1887) [Sepkoski's age data: O Trem O Ashg-u]. Its type is Aristocystites bohemicus. It is the type genus of Aristocystitidae, Aristocystitinae.

It was assigned to Aristocystitinae by Chauvel (1966), Parsley (1990); to Diploporita by Sepkoski (2002); and to Aristocystitidae by Paul (2018).

Species
A. bohemicus (type species), A. docens, A. metroi, A. subcylindricus, A. tecta
Species lacking formal opinion data
A. sinuosus

Synonyms
Synonymy list
YearName and author
1887Aristocystites Barrande
1919Hippocystis Bather
1966Aristocystites Chauvel
1966Hippocystis Chauvel
1967Hippocystis Beaver et al. p. S254
1990Aristocystites Parsley p. 288
2002Aristocystites Sepkoski
2002Hippocystis Sepkoski
2018Aristocystites Paul p. 340

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumBlastozoa
superfamilySphaeronitidaNeumayr 1889
familyAristocystitidaeBassler 1938
genusAristocystitesBarrande 1887

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. †Aristocystites Barrande 1887
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†Aristocystites bohemicus Barrande 1887
†Aristocystites docens Barrande 1887
†Aristocystites metroi Parsley 1990
†Aristocystites tecta Barrande 1887
Invalid names: Hippocystis Bather 1919 [synonym]
Diagnosis
ReferenceDiagnosis
R. L. Parsley 1990Aristocystitid with pyriform to globose theca, anterior face flattened; oval peristome composed of eight peristomals, one brachiole seat at each end of peristome; gonopore raised, variously placed. Periproct large, with heavy plated pyramid and robust articulation surface for pyramid plates. Large, variable attachment disc at aboral end of theca on anterior surface. Thecal plates thick; densely placed simple diplopore structures uniformly developed on all sides of theca.
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationarysubp
Life habit: epifaunalsubp
Diet: suspension feedersubp
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-09-21 12:36:39
Modified: 2009-09-21 19:36:39
Source: subp = subphylum, p = phylum
References: Bambach et al. 2007, Aberhan 1992

Age range: base of the Tremadoc to the top of the Kosovian or 486.40000 to 443.10000 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.4 - 477.1Morocco A. sp. (20998)
Early/Lower Llanvirn468.0 - 461.1China (Yunnan) A. sp. (5423 5427)
Liben - Late/Upper Llandeilo463.3 - 458.2Czechia A. bohemicus (237966)
Dobrotivian461.0 - 459.7Spain (Cuidad Real) A. sp. (20891)
Dobrotivian461.0 - 459.7Morocco A. sp. (20999)
Dobrotivian - Caradoc461.0 - 449.5Spain (Ciudad Real) A. sp. (20892)
Berounian459.7 - 450.1Czechia (Prague) A. metroi (196722) A. sp. (76474)
Berounian459.7 - 450.1Czechia A. metroi (196723)
Berounian459.7 - 450.1Morocco A. sinuosus, A. bohemicus (56179)
Vinice459.3 - 457.3Czechia A. bohemicus (3864 200045)
Zahorany459.3 - 457.3Czechia A. bohemicus (155333 196725)
Bohdalec459.3 - 445.2Czechia A. sp. (3874)
Zahorany - Late/Upper Ordovician459.3 - 443.1Czechia A. bohemicus (3865 3866)
Sandbian458.2 - 452.8Czechia A. bohemicus (3856)
Katian452.8 - 445.2Czechia (Praha) A. bohemicus (149357)
Kosovian445.2 - 443.1Czechia (Prague) A. metroi (196724)