Allonnia is a genus of coeloscleritophoran known as complete scleritomes from the Middle Cambrian Burgess Shale. It is also a constituent of the small shelly fauna.[4]
Quick facts Scientific classification, Type species ...
Allonnia
Temporal range: Cambrian Stage 2–Middle Cambrian |
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| Reconstruction of A. erjiensis (left) and A. phrixothrix (right) from the Chengjiang biota |
| Scientific classification |
| Kingdom: |
Animalia |
| Order: |
†Chancelloriida |
| Family: |
†Chancelloriidae |
| Genus: |
†Allonnia
Doré and Reid, 1965 |
| Type species |
Allonnia tripodophora
Doré and Reid, 1965 |
| Species |
- A. erjiensis Yun, Zhang & Li, 2017
- A. erromenosa Jiang, in Luo et al. 1982[1]
- A. nuda Cong et al., 2018
- A. phrixothrix Bengtson & Hou 2001
- A. tetrathallus Jiang, 1982
- A. tenuis Zhao et al. 2018[2]
- A. quadrocornuformis (Ding & Li, 1992) in Ding et al. (1992)[3]
- A. rossica (Sayutina, in Vasil'eva & Sayutina 1988)[3]
- A. tetrathallis (Jiang, in Luo et al. 1982)
- A. tripodophora Doré and Reid, 1965
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Its earliest occurrence in Yunnan dates to the Upper Meishucunian (~ Tommotian / Cambrian Stage 2) [5]
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