Vörös A. szerk.: Fragmenta Mineralogica Et Palaentologica 16. 1993. (Budapest, 1993)

05 cm Text-fig. 14: Transverse serial sections of Lobothyris ? complanata, Szesztra-hegy, Kardosrét. Original length of specimen about 11 mm mum convexity is at half of the length. The beak is large, erect and "hood-like". There are two strong beak ridges running to the two-third of the length on the pe­dicle valve. There are two less well-developed beak ridges on the brachial valve, too. The planareas are long and deep. The lateral margins are straight and run in the middle of the planareas. The anterior commissure is straight. The specimens are "box-like" in appearance. Internal characters (Text-fig. 16): A weak pedicle collar has been observed. There are no dental plates. The hinge-teeth are not too long and narrow. The sockets are wide and shallow. There is no median septum. The inner hinge plates

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