摘要：Twelve species of the genus Discocydina Giimbel,1868 from a series of dolomitic sandstones and siltstones are described,along with Upper Lutetian and Lower Bartonian organodetrital limestones from the area of Mt. Hruby Regiel in the Tatra Mts. The mode of life and environment of discocyclines are dealt with and burrows of crabs encased by tests of discocyclines described.
