| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Obolus ion was named by Walcott (1924).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Obolus ion Walcott pp. 482 - 483 figs. Plate 106, figs. 8-10 |
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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.
†Obolus ion Walcott 1924
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class, uc = unranked clade | |||||
| References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013, Hendy et al. 2009 | |||||
Age range: base of the Tremadocian to the top of the Skullrockian or 485.40000 to 482.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Skullrockian | Canada (British Columbia) | Obolus ion (233705) | |
| Tremadocian | Canada (British Columbia) | Obolus ion (210716) |