Koneva, S. P.; Ushatinskaya, G. T. (2008). New Upper Cambrian Lingulata (Brachiopoda) from Agyrek Mountains (northeastern central Kazakhstan). Paleontologicheskii Zhurnal. 2008(2): 38-45.
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Koneva, S. P.; Ushatinskaya, G. T.
2008
New Upper Cambrian Lingulata (Brachiopoda) from Agyrek Mountains (northeastern central Kazakhstan).