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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Acanthorthis
Taxonomy
Acanthorthis was named by Neuman (1976). Its type is Acanthorthis terreneuvensis.
It was assigned to Orthida by Sepkoski (2002); and to Platystrophiidae by Williams et al. (2000) and Zuykov and Egerquist (2005).
It was assigned to Orthida by Sepkoski (2002); and to Platystrophiidae by Williams et al. (2000) and Zuykov and Egerquist (2005).
Species
A. terreneuvensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Acanthorthis Neuman p. 22 |
| 2000 | Acanthorthis Williams et al. p. 775 |
| 2002 | Acanthorthis Sepkoski |
| 2005 | Acanthorthis Zuykov and Egerquist |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Nesnidal et al. 2013 | |||||
Age range: Darriwilian or 467.30000 to 458.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Darriwilian | Canada (Newfoundland) | A. terreneuvensis (185947) |