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Canadaspis perfecta
Taxonomy
Hymenocaris perfecta was named by Walcott (1912) [DISTRIBUTION: Middle Cambrian; North America.].
It was recombined as Canadaspis perfecta by Briggs et al. (2008).
It was recombined as Canadaspis perfecta by Briggs et al. (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Hymenocaris perfecta Walcott pp. 149, 151-153 figs. pl. 31, figs. 1, 3, 5, 6 |
| 2008 | Canadaspis perfecta Briggs et al. p. 250 |
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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.
†Canadaspis perfecta Walcott 1912
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus | |||||
| Reference: Caron and Jackson 2008 | |||||
Age range: base of the Middle Cambrian to the top of the Delamaran or 506.50000 to 505.30000 Ma
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Delamaran | USA (Utah) | Canadaspis perfecta (77218) | |
| Delamaran | USA (Nevada) | Canadaspis perfecta (205001) | |
| Delamaran | Canada (British Columbia) | Canadaspis perfecta (84412 84414 84415 84416 84417 84418 84419 84420 84421 84422 84423 84424 84425 84426 84427 84428 84429 84432 84433 84434 84435 84436 84437 121959) | |
| Middle Cambrian | USA (Utah) | Canadaspis perfecta (80129) |