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Pentacrinus decorus
Taxonomy
Pentacrinus decorus was named by Thompson (1864). It is extant.
It was recombined as Pentacrinus (Neocrinus) decorus by Wyville Thomson (1864); it was recombined as Neocrinus decorus by Donovan et al. (2005), Hess and Messing (2011).
It was recombined as Pentacrinus (Neocrinus) decorus by Wyville Thomson (1864); it was recombined as Neocrinus decorus by Donovan et al. (2005), Hess and Messing (2011).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Pentacrinus decorus Thompson p. 7 |
| 1864 | Pentacrinus (Neocrinus) decorus Wyville Thomson p. 7 |
| 2005 | Neocrinus decorus Donovan et al. p. 96 |
| 2011 | Neocrinus decorus Hess and Messing p. 55 |
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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.
Pentacrinus decorus Thompson 1864
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. K. Donovan et al. 2005 | Columnal pentagonal in outline with strongly rounded angles. Lumen
small, central, rounded. Perilumen planar, narrow. Areola pentapetaloid, closed. Crenularium surrounding areola, comprised of few, moderately coarse, short, crenulae, continuing to circumference in interpetaloid zone. Latus planar, unsculptured. Columnal low. |
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum | |||||
| References: Hendy et al. 2009, Kiessling 2004, Aberhan 1992 | |||||
Collections
No collection or age range data are available