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Periechocrinitoidea

Crinoidea - Monobathrida

Taxonomy
Periechocrinitacea was named by Bronn (1848) [refer to Ubaghs, 1978 (Treatise) where corrected from Periechocrinicae Ramsbottom 1954]. Its type is Periechocrinidae.

It was corrected as Periechocrinacea by Ubaghs et al. (1978), Webster and Lane (1987), Webster and Lane (2007); it was corrected as Periechocrinoidea by Webster et al. (2009), Webster and Webster (2012); it was corrected as Periechocrinitoidea by Keyes et al. (2025).

It was assigned to Tanaocrinina by Johnson and Lane (1969); to Monobathrida by Webster et al. (2009); and to Compsocrinina by Ubaghs et al. (1978), Webster and Lane (1987), Webster and Lane (2007), Webster and Webster (2012), Keyes et al. (2025).

Synonymy list
YearName and author
1848Periechocrinitacea Bronn
1969Periechocrinitacea Johnson and Lane
1978Periechocrinacea Ubaghs et al. p. T443
1987Periechocrinacea Webster and Lane p. 8
2007Periechocrinacea Webster and Lane p. 955
2009Periechocrinoidea Webster et al. p. 668
2012Periechocrinoidea Webster and Webster
2025Periechocrinitoidea Keyes et al. p. 152

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classCrinoideaMiller 1821
subclassCamerataWachsmuth and Springer 1885
infraclassEucamerataCole 2017
orderMonobathridaMoore and Laudon 1943
suborderCompsocrininaUbaghs 1978
superfamilyPeriechocrinitoidea(Bronn 1848)
superfamilyPeriechocrinitoidea(Bronn 1848)

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.

Superfm. †Periechocrinitoidea Bronn 1848
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Fm. †Paragaricocrinidae Moore and Laudon 1942
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G. †Iberocrinus Sieverts-Doreck 1951
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Iberocrinus multibrachiatus Sieverts-Doreck 1951
G. †Megaliocrinus Moore and Laudon 1942
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Megaliocrinus aplatus Moore and Laudon 1942
Megaliocrinus bolli Strimple 1976
Megaliocrinus johnsoni Strimple 1951
G. †Nipponicrinus Keyes et al. 2025
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Nipponicrinus akiyoshiensis Keyes et al. 2025
Nipponicrinus hashimotoi Keyes et al. 2025
G. †Palenciacrinus Keyes et al. 2025
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Palenciacrinus mudaensis Keyes et al. 2025
G. †Paragaricocrinus Yakovlev 1934
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G. †Paramegaliocrinus Arendt 1983
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G. †Pulcheracrinus Keyes et al. 2025
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Pulcheracrinus exotericus Strimple 1951
G. †Tuscumbiacrinus Keyes et al. 2025
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Tuscumbiacrinus madisonensis Keyes et al. 2025
G. †Wannerocrinus Marez Oyens 1940
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Wannerocrinus glans Marez Oyens 1940
Fm. †Periechocrinitidae Austin and Austin 1843
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G. †Gennaeocrinus Wachsmuth and Springer 1881
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Gennaeocrinus maxwelli Johnson and Lane 1969
Diagnosis
No diagnoses are available