Traits taxon details
original description
Kulagina, E.; Rumyantseva, Z. S.; Pazukhin, V. N.; Kochetova, N. N. (1992). Граница нижнего среднего карбона на Южном Урале и Среднем Тянь-Шане - Lower/Middle Carboniferous boundary in the South Urals and Central Tien Shan. <em>Moscow, Nauka Publishing House.</em> 1-110., available online at https://www.researchgate.net/profile/Elena_Kulagina/publication/278667264 page(s): p. 70 pl. 10 fig. 17; note: Specific epithet misspelled "indefinite" in the description heading but "indefinita" in the tables and in the text. [details] Available for editors 
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