Kobelt, Europ. Meeresconchylien. 
Taf.cxIv. 




CW.Kreidels Verlag, Wiesbaden 

I-9.Cerithium vulgatum var. 10-13.G.rupestre Risso. 
16.17 G.veloritanum Cantr. 
p 
14.15.C.decoratum Mtrs. 

