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Aristocystites
Taxonomy
Aristocystites was named by Barrande (1887) [Sepkoski's age data: O Trem O Ashg-u]. Its type is Aristocystites bohemicus.
It was assigned to Aristocystitinae by Parsley (1990); and to Diploporita by Sepkoski (2002).
It was assigned to Aristocystitinae by Parsley (1990); and to Diploporita by Sepkoski (2002).
Species
A. bohemicus (syn. A. grandiscutum) (type species), A. metroi
Synonymy list
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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
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Invalid names: Aristocystites grandiscutum Barrande 1887 [synonym]
†Aristocystites metroi Parsley 1990
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Parsley 1990 | Aristocystitid 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. |