Traits taxon details
original description
Fredericks, G. N. (1911). Bemerkung über einige oberpalaeozoische Fossilien von Krasnoufimsk. <em>Priloženìe k protokolam Zasedanìj Obŝestva Estestvoispytatelej pri Imperatorskom Kazanskom Universitetě.</em> 269: 1-12. [details]
basis of record
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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