Traits taxon details
original description
Rzhonsnitskaya, M. A. (1960). The genus Gruenewaldtia from the Devonian of the SSSR. <em>Stat. Paleont. Biostratigr. Sbor.</em> 20: 45-50, Plates 1-2. [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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