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Isocrinus annulatus
Taxonomy
Pentacrinites annulatus was named by Roemer (1836). Its type specimen is Isocrinites pendulus and is a 3D body fossil.
It was recombined as Isocrinus annulatus by Rasmussen (1961), Salamon et al. (2020).
It was recombined as Isocrinus annulatus by Rasmussen (1961), Salamon et al. (2020).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1836 | Pentacrinites annulatus Roemer p. 30 figs. p. 30, pl. 2, fig. 2 |
| 1850 | Pentacrinus alternatus d'Orbigny |
| 1961 | Isocrinus annulatus Rasmussen p. 88 figs. Pl 9, figs 5-10 |
| 2020 | Isocrinus annulatus Salamon et al. p. 5 figs. Fig. 4I-K |
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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.
†Isocrinus annulatus Roemer 1836
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Invalid names: Pentacrinus alternatus d'Orbigny 1850 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan 1992, Donovan 1994, Kiessling 2004 | |||||
Collections
No collection or age range data are available