Formation of fauna of Mammals of the Samara region in Pleistocene

Abstract

Mammalia Fauna Evolution of Samara Region was begun at the Middle Pliocene. Most of founded fossil Mammalia are steppen forms (67%). Forest forms (25%) appeared later. 32 fossil specia (53 subspecies and 3 forms),5 fossil subspecia of recent specia and 16 recent specia into Pleistocene deposits was found. Mammalia fauna changes reflect historic changes boundary between forest and steppe.