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Name(s) in cluster
†Avonia
urn:lsid:organismnames.com:name:2208095
†Avonia Thomas 1914
urn:lsid:organismnames.com:name:3481763
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†Avonia Thomas 1914
Thomas 1914. The British Carboniferous Producti. 1. Genera Pustula and Overtonia. Mem Geol Surv UK London Pal, 1(4) 1914: (197-366)