Allonnia

Allonnia
Temporal range:
Fossil of Allonnia phrixothrix in Yuxi Museum
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
  • A. nuda Cong et al., 2018
  • A. phrixothrix Bengtson & Hou 2001
  • A. tetrathallus Jiang, 1982
  • A. tenuis Zhao et al. 2018
  • A. quadrocornuformis (Ding & Li, 1992) in Ding et al. (1992)
  • A. rossica (Sayutina, in Vasil'eva & Sayutina 1988)
  • A. tetrathallis (Jiang, in Luo et al. 1982)
  • A. tripodophora Doré and Reid, 1965

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.

Its earliest occurrence in Yunnan dates to the Upper Meishucunian (~ Tommotian / Cambrian Stage 2)