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Halysiocrinus dactylus
Taxonomy
Cheirocrinus dactylus was named by Hall (1860). It is the type species of Halysiocrinus.
It was recombined as Halysiocrinus dactylus by Ausich and Roeser (2012).
It was recombined as Halysiocrinus dactylus by Ausich and Roeser (2012).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1860 | Cheirocrinus dactylus Hall |
| 2012 | Halysiocrinus dactylus Ausich and Roeser p. 505 |
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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.
†Halysiocrinus dactylus Hall 1860
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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: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Tournaisian or 358.86000 to 346.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tournaisian | USA (Kentucky) | Halysiocrinus dactylus (65691) |