Traits taxon details
original description
Rzhonsnitskaya, M. A.; Yudina, Y. A.; & Sokiran, E. V. (1997). Development of Pseudogruenewaldtinae during the final stage of atrypid existence. <em>Tezisy Dokladov XLIII Sessii Paleontogiceskogo Obsestva, St. Petersburg.</em> 57-59. [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. note: Part H Brachiopoda (revised): Volume 4, Rhynchonelliformea (part). [details]
additional source
Rzhonsnitskaya, M. A.; Markovskii, B. P.; Yudina, Y. A.; & Sokiran, E. V. (1998). Late Frasnian Atrypida (Brachiopoda) from the South Urals, South Timan and Kuznetsk Basin (Russia). <em>Acta Palaeontologica Polonica.</em> 43(2): 305-344. [details]
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