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Nielsenicrinus
Taxonomy
Nielsenicrinus was named by Rasmussen (1961) [Sepkoski's age data: K Haut-l T Ol-u Sepkoski's reference number: 864]. Its type is Pentacrinus obsoletus.
It was assigned to Isocrinidae by Rasmussen (1961) and Eagle (1993); to Isocrinida by Sepkoski (2002); and to Cainocrinidae by Oji et al. (1996), Jagt (1999) and Hess and Messing (2011).
It was assigned to Isocrinidae by Rasmussen (1961) and Eagle (1993); to Isocrinida by Sepkoski (2002); and to Cainocrinidae by Oji et al. (1996), Jagt (1999) and Hess and Messing (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Nielsenicrinus Rasmussen p. 94 |
| 1993 | Nielsenicrinus Eagle p. 3 |
| 1996 | Nielsenicrinus Oji et al. |
| 1999 | Nielsenicrinus Jagt p. 77 |
| 2002 | Nielsenicrinus Sepkoski |
| 2011 | Nielsenicrinus Hess and Messing p. 61 |
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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. †Nielsenicrinus Rasmussen 1961
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†Nielsenicrinus agassizii Hagenow 1840
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Invalid names: Pentacrinites klodenii Hagenow 1840 [synonym]
†Nielsenicrinus carinatus Roemer 1840
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Invalid names: Isocrinus courvillensis Valette 1917 [synonym], Isocrinus icaunensis Valette 1917 [synonym]
†Nielsenicrinus chavannesi Loriol 1879
†Nielsenicrinus crassitabulatus Biese 1930
†Nielsenicrinus cretaceus Leymerie 1842
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Invalid names: Pentacrinus fittoni Austin 1845 [objective synonym]
†Nielsenicrinus ewaldi Jagt 1999
†Nielsenicrinus fionicus Nielsen 1913
†Nielsenicrinus japonicus Oji et al. 1996
†Nielsenicrinus obsoletus Nielsen 1913
†Nielsenicrinus rosenkrantzi Rasmussen 1961
†Nielsenicrinus waiteteensis Eagle 1993
Diagnosis
No diagnoses are available