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Aristocystitidae
Taxonomy
Aristocystitidae was named by Bassler (1938). It was considered unknown by Paul et al. (2019).
It was assigned to Diploporita by Gutiérrez-Marco and Colmenar (2011); to Sphaeronitida by Beaver et al. (1967) and Sheffield and Sumrall (2017); and to Aristocystitoida by Paul et al. (2019).
It was assigned to Diploporita by Gutiérrez-Marco and Colmenar (2011); to Sphaeronitida by Beaver et al. (1967) and Sheffield and Sumrall (2017); and to Aristocystitoida by Paul et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Aristocystitidae Bassler |
| 1967 | Aristocystitidae Beaver et al. p. S250 |
| 2011 | Arystocystididae Gutiérrez-Marco and Colmenar |
| 2017 | Aristocystitidae Sheffield and Sumrall pp. 764 - 765 |
| 2019 | Aristocystitidae Paul et al. |
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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.
Fm. †Aristocystitidae Bassler 1938
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G. †Amphoracystis
Subfm. †Aristocystitinae Neumayr 1894
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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
G. †Baculocystites
G. †Campylostoma Dreyfuss 1939
G. †Pachycalix
G. †Prokopius Paul 2018
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G. †Triamara Tillman 1967
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†Triamara ventricosa Miller 1879
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Invalid names: Triamara ampla Miller 1892 [synonym], Triamara cutleri Tillman 1967 [synonym], Triamara gyrina Miller and Gurley 1894 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. R. C. Paul et al. 2019 | As for the superfamily: Directly attached diploporites with elongate oral area surrounded by at least eight plates (four inter-radial peri-orals [POO] and four radial circumorals [COO]), and covered by a double biseries of cover plates; with two to five ambulacra bearing one to four brachioles each; with a large hydropore shared by plates PO1 and PO6, and often a spout-like gonopore usually within a single plate near the periproct; with thecal plates densely covered with diplopores that are commonly sealed externally by a thin epistereom and sometimes extended into spine-like projections. |