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

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

Fig. 17. Bakonyithyris pedemontana (PARONA). A series of seventeen transverse sections through a specimen from Hamuháza (Bakony, Hungary), Ibex Zone. Hung. Geol. Inst., J. 9194. Original length of specimen 7.9 mm. The brachidium persisted to 5.1 mm from the posterior end of the shell. — Fig. 18. Bakonyithyris pedemontana (PARONA). A series of four transverse sections through the posterior part of a specimen from Fenyveskút (Bakony, Hungary), Margaritatus Zone. Hung. Geol. Inst., J. 9195. Original length of specimen 10.1 mm. The brachidium was incomplete, without ascending branches