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Periechocrinitoidea
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).
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).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1848 | Periechocrinitacea Bronn |
| 1969 | Periechocrinitacea Johnson and Lane |
| 1978 | Periechocrinacea Ubaghs et al. p. T443 |
| 1987 | Periechocrinacea Webster and Lane p. 8 |
| 2007 | Periechocrinacea Webster and Lane p. 955 |
| 2009 | Periechocrinoidea Webster et al. p. 668 |
| 2012 | Periechocrinoidea Webster and Webster |
| 2025 | Periechocrinitoidea Keyes et al. p. 152 |
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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.
Superfm. †Periechocrinitoidea Bronn 1848
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Fm. †Paragaricocrinidae Moore and Laudon 1942
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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. †Paragaricocrinus Yakovlev 1934
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†Paragaricocrinus mediterraneus Yakovlev 1934
†Paragaricocrinus yakovlevi Lane 1979
Fm. †Periechocrinitidae Austin and Austin 1843
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Diagnosis
No diagnoses are available