In the frame of the Aurignacian to Gravettian «transition», this research aims at highlighting the modalities of this shift in the middle Prut and Dniestr area through the comparison of bladelets production schemes in both cultural entities. Two Late Aurignacian assemblages from Mitoc-Malu Galben (Romania) and relevant materials from Molodova V (Ukraine) were then examined in this perspective. In the case of Mitoc-Malu Galben, qualitative preliminary results underline the consistence and

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... ity of production from «Aurignacian I» to «III» levels, which aims for twisted naturally blanks produced from convergent shaped knapping surfaces. Less documented, the «Aurignacian III Supйrieur» level seems to follow, despite some potential slight discrepancies. In Molodova V, cultural horizons 10 and 9 apply to a different consistent pattern, as cores are shaped and exploited to produce straighter blanks with parallel sides. Those technological insights reaffirm the independent identity of the local Gravettian in comparison to the Aurignacian. Based only on the large set of radiocarbon dates available for both sites, a simultaneity model arises, in slight contradiction with the technological data. Then, a «classic» succession model should not be left aside. Re-investigation of contextual data, including association of materials to dates, is needed to confirm any population dynamics model.