Traits taxon details
original description
Nilova, N. V. (1965). Brachiopods of the Karaespinsk horizon. In:. <em>Stratigraphy of the lower Paleozoic and Silurian deposits of central Kazakhstan.</em> VSEGEI Izdatel. Nedra Leningrad: 91-111, 3 plates. [details]
additional source
Waterhouse, J. B. (2016). On the evolution and classification of Spiriferida (Brachiopoda). <em>Earthwise.</em> 14: 1-434. note: Illustrates species and provides diagnosis (p. 39). [details] Available for editors 
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