Acta Zoologica Cracoviensia, 5() 1960

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VOL 5() 1960

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Cricetidae and Microtidae (Rodentia) from the Pliocene of Węże (Poland)

• Kazimierz KOWALSKI

Abstract:

Cricetidae and Microtidae from the Upper Pliocene bone breccia at Węże in Poland are described. The forms recovered there are: Trilophomys pyrenaicus (Depéret), Microtodon longidens n. sp., Ungaromys weileri (Heller), Stachomys trilobodon n. g., n. sp., Dolomys hungaricus Kormos, Mimomys cf. stehlini Kormos, M. gracilis (Kretzoi). Abundant remains of Microtodon longidens n. sp. permit to assign this species to the Cricetidae and suggest the identity of the genera Microtodon Miller, Baranomys Kormos and Prosomys Shotwell. Stachomys trilobodon n. g., n. sp. is the ancestor of the genus Prometheomys Satunin. Specimens intermediary between Dolomys Nehring and Mimomys F. Major have been found. Germanomys Heller is a synonym of Ungaromys Kormos, „U. nanus Kormos“ and „Germanomys weileri Heller“ from Gundersheim are synonymous and ought to be designed by the name Ungaromys weileri (Heller).