International scientific journal

ISSN: 2663-0419 (electronic version)

ISSN: 2218-8754 (print version)

International scientific journal

ISSN: 2663-0419 (electronic version)

ISSN: 2218-8754 (print version)

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The composition and zoogeographical areals of Campanian, Maastrichtian and Dania echinoids in the Lesser Caucasus (Azerbaijan)

A.M.Mamedalizadeh

Institute of Geology and Geophysics of Azerbaijan National Academy of Sciences, AZ1143, Baku, H.Javid av., 119

Summary

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The Campanian-Danian deposits of the Lesser Caucasus and the adjacent regions are characterized by rich diversity of organic world nearly everywhere. The representatives of Echinoids class take an especial place in the composition of organic world. The maps-schemes for Campanian, Maastrixtian and Danian ages were constructed on the base of their geographical distribution. It was determined that the most species of the separate genera of Echinoids class existed in Campanian, Maastrichtian and Danian basins of the Middle-European paleozoogeographical region, widened their geographical areal from the west to the east (Crimea-Caucasus-Kopetdag basin).