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Cercidocrinidae
Taxonomy
Cercidocrinidae was named by Moore and Laudon (1943). Its type is Cercidocrinus.
It was assigned to Scytalocrinoidea by Webster et al. (2009); and to Scytalocrinacea by Ubaghs et al. (1978), Kammer and Roeser (2012).
It was assigned to Scytalocrinoidea by Webster et al. (2009); and to Scytalocrinacea by Ubaghs et al. (1978), Kammer and Roeser (2012).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Cercidocrinidae Moore and Laudon |
| 1978 | Cercidocrinidae Ubaghs et al. p. T652 |
| 2009 | Cercidocrinidae Webster et al. p. 35 |
| 2012 | Cercidocrinidae Kammer and Roeser p. 477 |
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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. †Cercidocrinidae Moore and Laudon 1943
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Aberhan 1992, Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Kinderhookian to the top of the Sakmarian or 358.86000 to 290.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kinderhookian | USA (Ohio) | Ascetocrinus whitei (236671) Cuyahogacrinus lodiensis (276404) | |
| Tournaisian | USA (Kentucky) | Coeliocrinus subspinosus (65691) | |
| Sakmarian | Oman | Coeliocrinus arenaceous (101078) |