PLATE 9. 



Pylonida. 



Diam. Page 

 Fig. 1. Monozonium alatum, n. sp., . . . . . . x 300 633 



Dorsal view. 



Fig. la. Apical view. 



Fig. 2. Dizonium pleuracanthum, n, sp., . . . . x 400 636 



Fig. 3. Dizonium stauracanthum, n. sp., . . . x 300 636 



Fig. 4. Trizonium tricinctum, n. sp., . . . . . x 300 637 



Dorsal view. 

 Fig. 4a. Lateral view. 

 Fig. 4&. Apical view. 



Fig. 5. Amphipyle tetraceros, n. sp., . . . . . x 400 642 



Dorsal view. 



Fig. 6. Amphipyle. callizona, n. sp., . . . . . x 300 644 



Dorsal view. 



Fig. 7. Amphipyle amphiptera, n. sp., . . . . x 300 642 



Dorsal view. 

 Fig. 7a. Lateral view. 



Fig. 8. Tetrapyle eireularis, n. sp., . : . . x 300 645 



Dorsal view. 



Fig. 9. Tetrapyle pleuracantha, n. sp., . . . . x 400 646 



Dorsal view. The lentelliptical central capsule is visible between medullary 

 and cortical shell. 



Fig. 10. Tetrapyle turrita, n. sp., . . . . . x 400 649 



Oblique view, half dorsal, half lateral. 



Fig. 11. Octopyle stenozonb, n. sp., . . . . . x 400 652 



Dorsal view. 



Fig. 12. Octopyle sexangulata, n. sp., . . . . . x 300 653 



Dorsal view. 



Fig. 13., Octopyle decastyle, n. sp., . . . . x 300 654 



Dorsal view. 

 Fig. 13a. Lateral view. 



Fig. 14. Py ionium quadricorne, n. sp., . . . . x 400 .655 



Dorsal view. 



Fig. 15. Tetrapylonium quadrangular e, n. sp., . . . x 300 658 



Dorsal view. 



Fig. 16. Pylozonium octacanthum, n. sp., . . . . x 300 660 



Dorsal view. 



