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]
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. note: Allocated to subfamily Donalosiinae by Williams et al. (2000) Treatise Part H Brachiopoda (revised): Volumes 2 & 3, Linguliformea, Craniiformea, Rhynchonelliformea (part). [details]
additional source
Johnson, J. G. (1970). Early Middle Devonian brachiopods from central Nevada. <em>Journal of Paleontology.</em> 44: 252-264. [details] Available for editors 
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