Traits taxon details
original description
(of ) Shumard, B. F. (1855). Description of new species of organic remains. <em>Missouri Geological Survey.</em> 2: 185-208. [details]
new combination reference
Weller, S. (1910). Internal characters of some Mississippian rhynchonelliform shells. <em>Bulletin of the Geological Society of America.</em> 21: 497-516. [details] 
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