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Allonnia
Taxonomy
Allonnia was named by Doré and Reid (1965).
It was assigned to Chancelloriidae by Bengtson and Hou (2001), Parkhaev and Demidenko (2010).
It was assigned to Chancelloriidae by Bengtson and Hou (2001), Parkhaev and Demidenko (2010).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Allonnia Doré and Reid |
| 1982 | Dimidia Luo and Jiang p. 198 |
| 1982 | Onychia Luo and Jiang p. 198 |
| 1988 | Rosella Vassiljeva and Sayutina p. 197 |
| 1989 | Zhurinia Missarzhevsky p. 204 |
| 2001 | Allonnia Bengtson and Hou p. 19 |
| 2010 | Allonnia Parkhaev and Demidenko p. 899 |
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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. †Allonnia Doré and Reid 1965
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†Allonnia phrixothrix Bengtson and Hou 2001
†Allonnia tripodophora Doré and Reid 1965
Invalid names: Dimidia Luo and Jiang 1982 [synonym], Onychia Luo and Jiang 1982 [synonym], Rosella Vassiljeva and Sayutina 1988 [synonym], Zhurinia Missarzhevsky 1989 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Y. Parkhaev and Y. Demidenko 2010 | "Sclerites composed of two or more hollow radial spines joining each other. Angle between spine and basal plane of sclerite always acute." |
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Hendy 2009, Hendy et al. 2009 | |||||
Collections (54 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | China (Shaanxi) | A. erromenosa, A. tetrathallis (86613) A. tetrathallis (223399) | |
| Meishucunian | China (Yunnan) | A. erromenosa (96291 96292) A. tetrathallis, A. erromenosa (96290 96296) | |
| Meishucunian - Tommotian | China (Yunnan) | A. erromenosa (96302 96303) A. tetrahallis, A. erromenosa (96445) A. tetrathallis (96301) | |
| Tommotian | Russian Federation (Yakutiya) | A. sp. (80796 80804 80812) | |
| Atdabanian | Russian Federation (Krasnoyarskiy Kray) | Onychia tetrahellis (80843) | |
| Atdabanian | China (Shaanxi) | A. erromenosa, A. tetrathallis (57690 57691) | |
| Atdabanian | China (Yunnan) | A. sp. (86929 87107) | |
| Atdabanian | Australia (South Australia) | A. sp. 4, A. sp. 6, A. tripodophora (96966) A. tripodophora (96931 97741 97742 97743 97744 97746 97747 97749 97750) | |
| Nangaoian - Atdabanian | China (Yunnan) | A. simplex, A. tetrahallis, A. erromenosa (96446) | |
| Nangaoian | China (Henan) | A. tridophora, Onychia sp. (49532) | |
| Nangaoian | China (Hubai) | A. sp. (219687) | |
| Atdabanian - Botomian | Antarctica (South Shetland Islands) | A. tetrathallis, A. tripodophora (49691) | |
| Montezuman | Mexico | A. erromenosa (203103) | |
| Montezuman | USA (Nevada) | A. sp. (199532) | |
| Botomian | Australia (South Australia) | A. sp. 1, A. sp. 2, A. tripodophora (96916) A. sp. 5, A. sp. 7, A. tripodophora (96959) A. tripodophora (50793 96915 96917 96932 96958 96965 97700 97701 97717 156332) | |
| Botomian | China (Shaanxi) | A. spp. (199515 199516 199517) | |
| Dyeran | USA (Nevada) | A. sp. (172787 199533) | |
| Toyonian | Australia (South Australia) | A. tripodophora (96929) | |
| Delamaran | Jordan | A. sp. (139932 139933) |