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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sekwiaspis
Taxonomy
Sekwiaspis was named by Fritz (1972) [Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 475]. It is not extant.
It was assigned to Redlichinidae by Jell and Adrain (2002); and to Trilobita by Sepkoski (2002).
It was assigned to Redlichinidae by Jell and Adrain (2002); and to Trilobita by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Sekwiaspis Fritz |
| 2002 | Sekwiaspis Jell and Adrain p. 479 |
| 2002 | Sekwiaspis Sepkoski |
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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, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Early/Lower Cambrian or 538.80000 to 506.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | Canada (Northwest Territories) | S. artifrons (156147 156152 156156) |