Acta Zoologica Cracoviensia, 19() 1974

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VOL 19() 1974

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The Pliocene and Pleistocene Sciuridae (Mammalia, Rodentia) from Poland

• Craig C. BLACK (Lubbock
• Texas
• U.S.A.)
• Kazimierz KOWALSKI (Cracow
• Poland)

Abstract:

Fossil remains of Sciuridae from Polish localities ranging in age from Middle Pliocene to Late Pleistocene are described. 15 forms belonging to the genera Sciurus, Tamias, c f. Sciurotamias, Pliopetaurista, Blackia, Pliopetes, Cryptopterus, Petauria and Citellus are recognized with two of them, Pliopetaurista meini n. sp. and Blackia polonica n. sp. new for science. In the faunal assemblages from the Pliocene tree-squirrels are numerous. In the Late Villafranchian the first representatives of ground-squirrels appear and the arboreal forms successively vanish.