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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Borealarges variabilis was named by Campbell and Chatterton (2007). Its type specimen is UA 10007, a pygidium, and it is a cast. Its type locality is Fauna j, Section AV4, Delorme Fm., Mackenzie Mts., which is in a Whitwellian slope limestone/shale in the Delorme Formation of Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Borealarges variabilis Campbell and Chatterton p. 1354 figs. Fig. 7.1-7.3 |
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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.
†Borealarges variabilis Campbell and Chatterton 2007
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, 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 |
|---|---|---|---|
| Whitwellian | Canada (Northwest Territories) | Borealarges variabilis (26035 26042 type locality: 26048 26050) |