Traits taxon details
original description
(of ) Ivanova, R. M. (1973). К стратиграфии средне— и верхневизейскггх отложений восточного склона Южного Урала - On the stratigraphy of Middle and Upper Visean deposits of the eastern slope of the Southern Urals. <em>Trudy Instituta Geologii i Geokhimii Akademiya Nauk SSSR Ural'skii Nauchnyi Tsentr.</em> 82: 18-86., available online at http://books.google.com/books/about?id=AKN6DwAAQBAJ [details]
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