The fauna and biostratigraphy of Upper Ordovician and Silurian of the Altai-Sayan region. Brachiopods and stratigraphy of the Upper Ordovician of mountainous Altai region, Salair and mountainous Shoriya. Rossiiskaya Akademiya Nauk Sibirskoe Otdelenie Trudy Instituta Geologii i Geofiziki, 405 1978: 3-41. 33 [Zoological Record Volume 115]