Traits taxon details
original description
Thomas, I. (1914). The British Carboniferous Producti; pt. I, Genera Pustula and Overtonia. <em>Memoirs of the Geological Survey of Great Britain, Palaeontology.</em> 1(4): 197-366. [details]
basis of record
Treatise on Invertebrate Paleontology. (1997-2007). Part H revised, Brachiopoda. <em>Geological Society of America, Boulder; and University of Kansas Press, Lawrence,.</em> vol. 1-6. [details]
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