| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Isorthis (Arcualla) boreaina
Taxonomy
Isorthis (Arcualla) boreaina was named by Zhang (1989).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Isorthis (Arcualla) boreaina Zhang |
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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.
†Isorthis (Arcualla) boreaina Zhang 1989
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy et al. 2009, Williams et al. 2000, Aberhan et al. 2004 | |||||
Age range: Whitwellian or 430.60000 to 429.60000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wenlock - Ludlow | Canada (Northwest Territories) | Isorthis boreaina (26049) | |
| Whitwellian | Canada (Northwest Territories) | Isorthis boreaina (26035 26042 26058) |