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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cleiothyridina nielseni
Taxonomy
Cleiothyridina nielseni was named by Dunbar (1955).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Cleiothyridina nielseni Dunbar p. 124 figs. Pl 21, figs 11-25 |
| 1985 | Cleiothyridina nielseni Nelson and Nelson figs. Pl 1, fig 24 |
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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.
†Cleiothyridina nielseni Dunbar 1955
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Wordian to the top of the Wuchiapingian or 266.90000 to 254.14000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | Canada (British Columbia) | Cleiothyridina nielseni (95218) | |
| Wuchiapingian | Greenland | Cleiothyridina nielseni (107437 107521 107530 107545 107550) |