LOWER CARBONIFEROUS (MISSISSIPPIAN) BRACHIOPODS AND AMMONOIDS IN THE LOWER REACHES OF LENA RIVER (SAKHA (YAKUTIA) REPUBLIC)
The associations of brachiopods and ammonoids from "Bastakh" Section in the lower reaches of Lena River were analyzed using new data. Age interpretation was clarified for deposits of Bastakh, Atyrdakh and Tiksi formations.