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Nearchaster spinosus
Taxonomy
Mistia spinosa was named by Blake (1973). It is not extant. Its type specimen is University of California Museum of Paleontology, Berkeley, UCMP A-5018, Holotype. Its type locality is Asteroidea, Keasey fm, Mist, which is in a Priabonian/Rupelian marine sandstone in the Keasey Formation of Oregon.
It was recombined as Nearchaster spinosus by Gale and Jagt (2021).
It was recombined as Nearchaster spinosus by Gale and Jagt (2021).
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Mistia spinosa Blake pp. 48-49 figs. pl. 16.30-44, 17.1-21, 17.35, 17.36 |
| 2021 | Nearchaster spinosus Gale and Jagt p. 160 |
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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.
†Nearchaster spinosus Blake 1973
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake 1973 | Same as for the genus, by monotypy |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Priabonian to the top of the Rupelian or 38.00000 to 28.10000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian - Rupelian | USA (Oregon) | Mistia spinosa (type locality: 59920) |