| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Symphysurus arcticus was named by Fortey (1975). Its type specimen is PMO NF 538, an exoskeleton, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Symphysurus arcticus Fortey p. 60 figs. Pl. 21, fig. 6 |
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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.
†Symphysurus arcticus Fortey 1975
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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 | |||||
| References: Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Blackhillsian or 475.30000 to 471.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Billingen | Norway (Spitsbergen) | Symphysurus arcticus (106473) | |
| Blackhillsian | Norway (Spitsbergen) | Symphysurus arcticus (106472 106475) |