Scientific and applied significance of late devonian paleontological thin sections collection (algoflora) stored in the Institute of Geological Sciences of the National Academy of Sciences of Ukraine

Information on the thin sections collection from Late Devonian deposits of Donets Basin, the Dnipro-Donets Depression, the Pre-Dobrudzhian and Lviv Paleozoic Toughs is provided. This collection is kept at the Institute of Geological Sciences of the National Academy of Sciences of Ukraine and represented by thin sections of rocks from 13 boreholes and one outcrop. The collection data is a valuable material for studying the development of the organic world of past eras and includes important information for the study of oil-bearing sulfate-carbonate deposits of the Middle and Upper Devonian of Ukraine.The monograph “The Atlas of Late Devonian сalcareous algae of Ukraine” has been based on this collection. The atlas is the result of many years of research by O. I. Berchenko on the study of calcareous algae and stratigraphy of the Late Devonian in Ukraine. “The Atlas of Late Devonian сalcareous algae of Ukraine” is the first, and so far the only, work including all known monographically described fossil calcareous algae of the Late Devonian in Ukraine at that time and containing images of 123 species (7 of them are new) wich belong to 30 genera of Late Devonian calcareous algae genera of the Donets Basin, the Dnipro-Donets Depression, the Pre-Dobrudzhian and Lviv Paleozoic Toughs. The images of holotypes of new species, as well as the lists of paleoalgoflora have been represented in our paper.