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Sekwiaspis artifrons
Taxonomy
Sekwiaspis artifrons was named by Fritz (1972). Its type specimen is GSC 27257, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Sekwi Formation - collection 73033, which is in a Cambrian marine limestone in the Sekwi Formation of Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Sekwiaspis artifrons Fritz p. 39 figs. Pl. 6, figs. 10-12 |
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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.
†Sekwiaspis artifrons Fritz 1972
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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: Hendy et al. 2009, Whittington et al. 1997, Aberhan et al. 2004 | |||||
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) | Sekwiaspis artifrons (type locality: 156147 156152 156156) |