Allonnia
Temporal range:
Artist's restoration
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Order: †Chancelloriida
Family: †Chancelloriidae
Genus: †Allonnia
Doré and Reid, 1965
Species
  • A. erjiensis Yun, Zhang & Li, 2017
  • A. nuda Cong et al., 2018
  • A. tetrathallus Jiang, 1982
  • A. tenuis Zhao et al. 2018[1]
  • A. tripodophora Doré and Reid, 1965 (type)

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.[2]

Its earliest occurrence in Yunnan dates to the Upper Meishucunian (~ Tommotian / Cambrian Stage 2) [3]

References

  1. ↑ Zhao, Jun; Li, Guo-Biao; Selden, Paul A (2018). "New well-preserved scleritomes of Chancelloriida from early Cambrian Guanshan Biota, eastern Yunnan, China". Journal of Paleontology. 92 (6): 1–17. Bibcode:2018JPal...92..955Z. doi:10.1017/jpa.2018.43. S2CID 119066659.
  2. ↑ Brock, G. A.; Cooper, B. J. (1993). "Shelly Fossils from the Early Cambrian (Toyonian) Wirrealpa, Aroona Creek, and Ramsay Limestones of South Australia". Journal of Paleontology. 67 (5): 758–787. Bibcode:1993JPal...67..758B. doi:10.1017/s0022336000037045. JSTOR 1306041. S2CID 132278189.
  3. ↑ Kouchinsky A. V., Bengtson S., Runnegar B.N., Skovsted C.B., Steiner M., Vendrasco M.J. 2012. Chronology of early Cambrian biomineralization. Geol. Mag. 149:221–251.


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