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Cromyocrinacea
Taxonomy
Cromyocrinacea was named by Bather (1890). Its type is Cromyocrinus.
It was corrected as Cromyocrinoidea by Webster et al. (2009), Webster and Webster (2012), Mao et al. (2018).
It was assigned to Poteriocrinina by Ubaghs et al. (1978), Arendt (1981); to Cladida by Webster (1990); to Dendrocrinida by Webster et al. (2009), Webster and Webster (2012); and to Cyathoformes by Mao et al. (2018).
It was corrected as Cromyocrinoidea by Webster et al. (2009), Webster and Webster (2012), Mao et al. (2018).
It was assigned to Poteriocrinina by Ubaghs et al. (1978), Arendt (1981); to Cladida by Webster (1990); to Dendrocrinida by Webster et al. (2009), Webster and Webster (2012); and to Cyathoformes by Mao et al. (2018).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1890 | Cromyocrinacea Bather |
| 1978 | Cromyocrinacea Ubaghs et al. p. T690 |
| 1981 | Cromyocrinacea Arendt p. 20 |
| 1990 | Cromyocrinacea Webster p. 64 |
| 2009 | Cromyocrinoidea Webster et al. p. 247 |
| 2012 | Cromyocrinoidea Webster and Webster |
| 2018 | Cromyocrinoidea Mao et al. p. 1073 |
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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. †Cromyocrinacea Bather 1890
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Fm. †Phanocrinidae Knapp 1969
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G. †Bronaughocrinus Strimple 1951
G. †Cryphiocrinus Kirk 1929
G. †Idosocrinus Wright 1954
G. †Pentaramicrinus Sutton and Winkler 1940
Fm. †Ulocrinidae Moore and Strimple 1973
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G. †Tyrieocrinus Wright 1945
G. †Ureocrinus Wright and Strimple 1945
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†Ureocrinus bockschii Geinitz 1846
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Invalid names: Hydreionocrinus globularis de Koninck 1858 [synonym], Poteriocrinus nuciformis M'Coy 1849 [synonym]
†Ureocrinus rozhnovi Arendt 1981
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Chesterian to the top of the Missourian or 335.40000 to 303.70000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Brigantian | USA (Alabama) | Cryphiocrinus sp. (6841) | |
| Brigantian | United Kingdom | Tyrieocrinus laxus, Hosieocrinus caledonicus, Ureocrinus bockschii (90825) Tyrieocrinus laxus, Ureocrinus bockschii (90822 90823 90824 90829) Ureocrinus bockschii (90826 90827 90830) | |
| Chesterian | USA (Kentucky) | Pentaramicrinus sp. (206292) | |
| Pendleian | USA (Illinois) | Pentaramicrinus bimagnaramus (90814) | |
| Pendleian | USA (Indiana) | Pentaramicrinus bimagnaramus (90812) | |
| Pendleian | Russian Federation | Ureocrinus rozhnovi (242072) | |
| Missourian | USA (Illinois) | Probletocrinus curtus (51191) |