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Urasterella pulchella
Taxonomy
Palaeaster pulchellus was named by Billings (1857). Its type specimen is at the Museum of Geological Survey of canada and is not a trace fossil.
It was recombined as Stenaster pulchellus by Billings (1858) and Wright (1863); it was recombined as Urasterella (Stenaster) pulchellus by Hall (1868); it was recombined as Urasterella pulchella by Schuchert (1915), Owen (1965) and Blake and Koniecki (2020).
It was recombined as Stenaster pulchellus by Billings (1858) and Wright (1863); it was recombined as Urasterella (Stenaster) pulchellus by Hall (1868); it was recombined as Urasterella pulchella by Schuchert (1915), Owen (1965) and Blake and Koniecki (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Palaeaster pulchellus Billings p. 292 |
| 1858 | Stenaster pulchellus Billings p. 79 figs. pl. 10 fig. 2 |
| 1863 | Stenaster pulchellus Wright p. 28 |
| 1868 | Urasterella (Stenaster) pulchellus Hall p. 289 |
| 1915 | Urasterella pulchella Schuchert pp. 178-180 figs. pl. 28 figs. 3, 4, pl. 30 fig. 5 |
| 1965 | Urasterella pulchella Owen p. 566 |
| 2020 | Urasterella pulchella Blake and Koniecki p. 12 |
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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.
†Urasterella pulchella Billings 1857
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Blake and Rozhnov 2007 | |||||