Dr. Fűköh Levente szerk.: Malakológiai Tájékoztató 12. (Eger, 1993.)

FŰKÖH, L.: Main features of the development of the Hungarian Holocene Mollusc fauna

Occurence of species with stratigraphical significance in sediments of subsided zones B A Sb-Sa Valvata pscinalis + + Valvata pulchella + Bithyospeum cf. sandbergeri + Marstoniopsis sholtzi + Lythogliphus naticoides + + Lymnaea truncatula + + Lymnaea auricularia + + Lymnaea peregra ovata + + Aplexa hypnorum + Planorbarius corneus + Planorbus carinatus + Gyraulus laevis + Gyraulus riparius + Legend: B = boreal A = atlantic Sb= subboreal Sa= subatlantic