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Halysiocrinus
Taxonomy
Halysiocrinus was named by Ulrich (1886) [Sepkoski's age data: D Give C Vise-u Sepkoski's reference number: 906]. It is not extant. Its type is Cheirocrinus dactylus.
It was assigned to Disparida by Sepkoski (2002); and to Calceocrinidae by Laudon (1936), Webster and Lane (1987), Ausich (1998), Ausich and Roeser (2012).
It was assigned to Disparida by Sepkoski (2002); and to Calceocrinidae by Laudon (1936), Webster and Lane (1987), Ausich (1998), Ausich and Roeser (2012).
Species
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by P. Novack-Gottshall on 2025-12-26
Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Halysiocrinus Ulrich |
| 1936 | Halysiocrinus Laudon |
| 1987 | Halysiocrinus Webster and Lane p. 9 |
| 1998 | Halysiocrinus Ausich p. 27 |
| 2002 | Halysiocrinus Sepkoski |
| 2012 | Halysiocrinus 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.
G. †Halysiocrinus Ulrich 1886
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†Halysiocrinus barrisi Worthen 1875
†Halysiocrinus dactylus Hall 1860
†Halysiocrinus elephantinus Laudon 1936
Diagnosis
No diagnoses are available