Fig. 775.
Pleurotomaria (Rhaphistomella) radians Wißm. Keuper.
St. Cassian, Tirol.
Fig. 776.
Pleurotomaria (Leptomaria) macromphala Zitt. Tithon. Stramberg, Mähren.
Subgenera: Ptychomphalus Ag., Mourlonia, Worthenia de Kon., Gosseletina Bayle, Ivania Bayle (Baylea de Kon.), Rhaphistomella (Fig. [775]), Zygites, Laubella, Stuorella, Schizodiscus Kittl, Agnesia de Kon., Brilonella Kayser, Hesperiella Holzapfel, Cryptaenia (Fig. [777]), Leptomaria Deslongch. (Fig. [776]) etc.