Article: The sequence and distribution of Ludlovian, Lower Devonian, and Couvinian coral faunas in the Union of Soviet Socialist Republics

The records of coral faunas in the U.S.S.R. are summarized and some suggested synonyms mentioned. The distribution of the faunas is discussed and characteristic faunal elements for the different horizons are given. In particular, first and last occurrences of genera are noted as these may be of stratigraphical value.