Traits taxon details
original description
Muir-Wood, H.; Cooper, G. A. (1960). Morphology, classification and life habits of the Productoidea (Brachiopoda). <em>Geological Society of America Memoir.</em> 81: 1-447. [details]
additional source
Roberts, J. (1964). Lower Carboniferous brachiopods from GreenhiIls, New South Wales. <em>Journal of the Geological Society of Australia.</em> 11(2): 173-194, piates 1-6. [details] Available for editors 
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