Description Dutkevich, G. A. (1934). Новые виды фузулинид из верхнего и среднего карбона Верхне-Чусовских городков (Западный склон Среднего Урала) - New species of fusulinids from the upper and middle Carboniferous of the Upper Chusov Towns (Western slope of the Middle Urals). Труды Нефтяного геолого-разведочного института. Серия А - Proceedings of the Oil Exploration Institute. Series A. 34: 3-98., available online athttps://books.google.pt/books/about?id=bfpBDwAAQBAJ
page(s): p. 53-57 pl. 6 fig. 1-11 Author Le Coze, FrançoisJPG file - 225.43 kB - 583 x 862 pixelsadded on 2022-05-22177 viewsForaminifera taxaFusulinella usvae Dutkevich, 1932 † accepted as Usvaella usvae (Dutkevitch, 1932) †checked Le Coze, François 2022-05-22 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License