Name: Allonnia.
Phonetic: Al-lon-e-ah.
Named By: Dor� & Reid - 1965.
Synonyms: Dimidia, Onychia, Rosella,
Zhurinia.
Classification: Animalia, Coeloscleritophora,
Chancelloriida, Chancelloriidae.
Species: A. tripodophora
(type), A. erjiensis, A. nuda, A. tenuis, A. tetrathallus.
Size: Unavailable.
Known locations: Antarctica - Cape Melville
Formation. Australia - Coobowie Limestone Formation, Kulpara
Formation, Parara Limestone Formation. China. Jordan - Burj
Formation.
Time period: Mid Cambrian.
Fossil representation: Numerous specimens.
Allonnia is a genus of coeloscleritophoran that had a near global distribution.
Further reading
- Shelly Fossils from the Early Cambrian (Toyonian) Wirrealpa,
Aroona Creek, and Ramsay Limestones of South Australia. -
Journal of Paleontology 67 (5): 758–787. - G. A.
Brock & B. J. Cooper - 1993.
- New well-preserved scleritomes of Chancelloriida from early Cambrian
Guanshan Biota, eastern Yunnan, China. - Journal of Paleontology: 1–17.
- Jun Zhao, Guo-Biao Li & Paul A. Seldon - 2018.
![]() |
![]() |
![]() |