Traits taxon details
original description
Davidson, T. (1881). On genera and species of spiral-bearing Brachiopoda, from specimens developed by the Rev. Norman Glass: with notes on the results obtained by Mr. George Maw from extensive washings of the Wenlock and Ludlow shales of Shropshire. <em>Geological Magazine.</em> 8: 1-12. [details]
basis of record
Alvarez, F.; Rong, Jia-Yu; Boucot, A. J. (1998). The Classification of Athyridid Brachiopods. <em>Journal of Paleontology.</em> 72(5): 827-855. [details] Available for editors 
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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