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Sidneyia
Taxonomy
Sidneyia was named by Walcott (1911) [Sepkoski's age data: Cm mMid-u Cm uMid-l Sepkoski's reference number: 883].
It was assigned to Limulavida by Sepkoski (2002); to Arthropoda by Briggs et al. (1994) and Bambach et al. (2007); to Arachnomorpha by Briggs et al. (2008); and to Vicissicaudata by Lerosey-Aubril et al. (2017).
It was assigned to Limulavida by Sepkoski (2002); to Arthropoda by Briggs et al. (1994) and Bambach et al. (2007); to Arachnomorpha by Briggs et al. (2008); and to Vicissicaudata by Lerosey-Aubril et al. (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1911 | Sidneyia Walcott |
| 1994 | Sidneyia Briggs et al. p. 220 |
| 2002 | Sidneyia Sepkoski |
| 2007 | Sidneyia Bambach et al. p. S78 |
| 2008 | Sidneyia Briggs et al. p. 246 |
| 2017 | Sidneyia Lerosey-Aubril et al. p. 8 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus | |||||
| Reference: Hendy et al. 2009 | |||||
Collections (30 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dyeran | USA (Pennsylvania) | S. sp. (192 226192) | |
| Delamaran | Canada (British Columbia) | S. inexpectans (84412 84414 84415 84416 84417 84418 84419 84421 84424 84425 84426 84427 84428 84429 84430 84431 84432 84433 84434 84435 84436 84437) | |
| Delamaran | USA (Utah) | S. sp. (77217) | |
| Solvan | Canada (British Columbia) | S. inexpectans (228554) | |
| Middle Cambrian | Canada (British Columbia) | S. sp. (171308) | |
| Middle Cambrian | Canada (Brithish Columbia) | S. sp. (188663) | |
| Middle Cambrian | USA (Utah) | S. sp. (80122) | |
| St Davids | Canada (British Columbia) | S. inexpectans (122094) |