^/"i/zv^ 



-JV">- 



n/vs? 



6 



TO, 



'«MU a',,' 



I. 

 2. 

 3- 



4 

 5. 

 6. 



7- 

 8. 

 9- 



10. 



ii. 



12. 



'3- 



14- 

 IS- 

 1 6. 



Cerati/cs nodosus, de Haan ; Trias (Muschelkalk). 

 Polycyclus nasturtium, Dittmar ; Trias (Keuper). 

 Choris/oceras Marshi, Hauer ; Trias (Rhaetic). 

 Cochloceras Fischeri, Hauer; Trias (Keuper). 

 Rhabdoceras Suessi, Hauer; Trias (Keuper). 

 Lytoceras Liebigi, Oppel; Jurassic (Tithonian). 

 Macroscaphites Ivani, d'Orb.; Cretaceous (Neocomian). 

 Scaphites spiniger, Schliiter ; Cretaceous (Senonian). 

 Anahamulina subcylindrica, d'Orb. ; Cretaceous (Neocomian). 

 Ptychoceras Puzosianum, d'Orb. ; Cretaceous (Barremian). 

 Baculites incurva/us, Dujardin ; Cretaceous (Turonian). 

 Baculites anceps, Lam. ; Cretaceous (Danian). 

 Reineckia Brancoi, Steinmann ; Jurassic (Callovian). 

 (Ecopiychius refractus, de Haan ; Jurassic (Callovian). 

 Spiroceras bifurcatutn, Quenst. ; Jurassic (Callovian). 

 Baculina acuaria, Quenst. ; Jurassic (Callovian). 



In some cases the suture-lines are given. 



