Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 75. (Budapest 1983)

Vörös, A.: Some new genera of Brachiopoda from the Mediterranean Jurassic

Fig. 20. Bakonyithyris pedemontana (PARONA). Ventral and lateral views of the brachial valve interior. Reconstruction based on serial sections of specimen J. 9194. (see Fig. 17.). — Fig. 21. Securina securiformis (GEMMELLARO). Ventral and lateral views of the brachial valve interior. Reconstruction based on serial sections of specimen M. 65. 214/A. (see Fig. 19.)