Traits taxon details
original description
Ager, D. V. (1959). The classification of the Mesozoic Rhynchonelloidea. <em>Journal of Paleontology.</em> 33: 324-332. [details]
additional source
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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