276 



683. Gen. Stenogyra Sh. 



Syn. Sira A. Schmdt. 



1. Sect. Rumina Risso. 



Syn. Orbitina Risso. 

 „ Cylindrina Schlütr. 

 „ Bulimulus Woodwd. 



2. Sect. Clavator Mrts. 



3. ., Obeliscus Bk. 



4. „ Prosopeas Bk. 



