Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 88. (Budapest 1996)

Dulai, A.: Taxonomic composition and palaeoecological features of the Early Badenian (Middle Miocene) bivalve fauna of Szob (Börzsöny Mts, Hungary)

Most bivalve species have very long range in the Szob material (Fig. 10). The most frequent Corbula gibba appeared in the earliest (Late Eocene - Recent). Several species live from the Oligocène or Miocene up to now (Early Oligocène - Recent: 2 species; 9 Annls hi si.-nul. Mus. natn. hung. HH, 1996 Figs 9-10. 9 = Preferred substrate of the bivalve fauna: a = collection of the museum, b = washed material. 10 - Distribution of the bivalve species: Ml = Early Miocene, M2 = Middle Miocene, M3 = Late Miocene, PL = Pliocene, Q = Quaternary