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Perspicaris
Taxonomy
Perspicaris was named by Briggs (1977) [Sepkoski's age data: Cm Atda-u Cm uMid-l Sepkoski's reference number: 349,781]. It is the type genus of Perspicarididae.
It was assigned to Canadaspidida by Bengtson (1992) and Sepkoski (2002); and to Perspicarididae by Lerosey-Aubril et al. (2020).
It was assigned to Canadaspidida by Bengtson (1992) and Sepkoski (2002); and to Perspicarididae by Lerosey-Aubril et al. (2020).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Perspicaris Briggs |
| 1992 | Perspicaris Bengtson p. 1022 |
| 2002 | Perspicaris Sepkoski |
| 2020 | Perspicaris Lerosey-Aubril et al. p. 522 |
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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: g = genus | |||||
| Reference: Hendy et al. 2009 | |||||
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nangaoian | China (Guizhou) | P. sp. (128423) | |
| Dyeran | USA (Nevada) | P. sp. (10560) | |
| Delamaran | Canada (British Columbia) | P. dictynna (84421 84422 84424 84425 84428) P. dictynna, P. recondita (84426) P. recondita (84414 84415 84418 84419 84429 84432 84433 84435 84437) P. recondita, P. dictynna (84423 84427) | |
| Solvan | USA (Nevada) | P. sp. (9215) | |
| Middle Cambrian | Canada (British Columbia) | P. sp. (171308) | |
| St Davids | Canada (British Columbia) | P. sp. (215) | |
| Marjumian | USA (Utah) | P. dilatus (228653 228655 230682) P. ellipsopelta (77207 230679) |