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Hallucigenia
Taxonomy
Hallucigenia was named by Conway Morris (1977) [Sepkoski's age data: Cm Atda-u Cm mMid-u Sepkoski's reference number: 1126]. Its type is Hallucigenia sparsa. It is the type genus of Hallucigeniidae. It was considered paraphyletic by Smith and Ortega-Hernández (2014) and Smith and Caron (2015).
It was assigned to Lobopoda by Sepkoski (2002); to Lobopodia by Bambach et al. (2007); to Onychophora by Smith and Ortega-Hernández (2014); to Hallucishaniids by Smith and Caron (2015); and to Hallucigeniidae by Conway Morris (1977) and Caron and Aria (2017).
It was assigned to Lobopoda by Sepkoski (2002); to Lobopodia by Bambach et al. (2007); to Onychophora by Smith and Ortega-Hernández (2014); to Hallucishaniids by Smith and Caron (2015); and to Hallucigeniidae by Conway Morris (1977) and Caron and Aria (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Hallucigenia Conway Morris |
| 2002 | Hallucigenia Sepkoski |
| 2007 | Hallucigenia Bambach et al. p. S78 |
| 2014 | Hallucigenia Smith and Ortega-Hernández |
| 2015 | Hallucigenia Smith and Caron |
| 2017 | Hallucigenia Caron and Aria p. 18 |
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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.
G. †Hallucigenia Conway Morris 1977
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†Hallucigenia fortis Hou and Bergström 1995
†Hallucigenia hongmeia Steiner et al. 2012
†Hallucigenia sparsa Conway Morris 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: base of the Atdabanian to the top of the Early/Lower Cambrian or 521.00000 to 509.00000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | China (Yunnan) | Hallucigenia indet. (185939) H. sp. (185938) | |
| Atdabanian | China (Yunnan) | H. fortis (68083) H. sp. (86929 86930 86933) | |
| Nangaoian | China (Yunnan) | H. fortis (132330 194155) H. sparsa, H. hongmeia (234720) | |
| Delamaran | Canada (British Columbia) | H. sp. (84427 84429 84432 84433 84434 121959) H. sp. A, H. sparsa (84423 84424 84425) H. sparsa (84421 84426 84428) |