Statigraphic scales.
Biostratigraphic scale and its units.
Continental deposits and a possible abundance of fossils in them.
Particularities of the biostratigraphy of transition sedimentary environments.
Biostratigraphy of marine sedimentary environments.
Micropalaeontology.
Micropaleontological techniques.
Anoxie conditions.
Possibilities of the employment of biostratigraphic methods in the Precambrian.
Principles and possibilities of biostratigraphic subdivision of individual Phanerozoic formations.
Biostratigraphic scale and its units.
Continental deposits and a possible abundance of fossils in them.
Particularities of the biostratigraphy of transition sedimentary environments.
Biostratigraphy of marine sedimentary environments.
Micropalaeontology.
Micropaleontological techniques.
Anoxie conditions.
Possibilities of the employment of biostratigraphic methods in the Precambrian.
Principles and possibilities of biostratigraphic subdivision of individual Phanerozoic formations.