Name: Allonnia.
Phonetic: Al-lon-e-ah.
Named By: Doré‭ & ‬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.


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