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Petraster rigidus
Taxonomy
Palasterina rigidus was named by Billings (1857). Its type specimen is Victoria Memorial Museum, Ottawae No. 140la and is not a trace fossil. It is the type species of Petraster.
It was recombined as Petraster rigidus by Billings (1858), Hall (1868), Schuchert (1915), Owen (1965), Blake et al. (2016) and Blake (2018).
It was recombined as Petraster rigidus by Billings (1858), Hall (1868), Schuchert (1915), Owen (1965), Blake et al. (2016) and Blake (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Palasterina rigidus Billings p. 291 |
| 1858 | Petraster rigidus Billings p. 80 figs. pl. 10 fig. 3a |
| 1868 | Petraster rigidus Hall p. 294 |
| 1915 | Petraster rigidus Schuchert pp. 141-142 figs. pl. 27 fig. 5 |
| 1965 | Petraster rigidus Owen p. 567 |
| 2016 | Petraster rigidus Blake et al. p. 168 fig. 5.5 |
| 2018 | Petraster rigidus Blake p. 28 |
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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.
†Petraster rigidus Billings 1857
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Collections
No collection or age range data are available