Traits taxon details
original description
Amsden, T. W. (1968). Articulate brachiopods of the St. Clair Limestone (Silurian), Arkansas, and the Clarita Formation (Silurian), Oklahoma. <em>Journal of Paleontology.</em> 42 (Supplement to Number 3, Part II of II): 1-117. [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 
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