PLATE 83. 



STEPHANIDA, SEMANTIDA, CORONIDA, TYMPANIDA, ZYGOSPYRIDA, 

 PHORMOSPYRIDA et ANDROSPYRIDA. 



Diam. Pago 



Fig. 1. Lithotympanum tuberosum, n. sp., .. x 400 1006 



Fig. 2. Eutympanium musicantum, n. sp., . x 300 1013 



Fig. 3. Semantic distephamis, n. sp., . x 300 957 



Fig. 4. SpJicerospyris globosa, n. sp., x 300 1100 



Fig. 5. Trissocycliis stauroporus, n. sp., . . x 200 987 



Fig. 6. Trissocircusl)inelUpsis,\\.s<p., . . x 300 985 



Fig. 7. Podocoronis toxarium, n. sp., . . x 200 980 



Fig. 8. Androspyris anthropiscus, n. sp., . . . x 400 '1093 



Fig. 9. Cortina tripus, n. sp., . . . . x 200 950 



Fig. 10. Cephalospyris canccllata, n. sp., . . . . x 400 1035 



Fig. 11. Tripospyrisfurcata,n.sp.,. . . . . x 400 1029 



Fig. 12. Petalospyris novcna, n. sp., . . . . x 400 1062 

 Basal view of the shell, with the cortinar septum. 



Fig. 13. Rhodospyris tricornis, n. sp., . . .. x 400 1089 



Fig. 14. Desmoxpyris mammillata, n. sp., . . . . x 400 1089 



Fig. 15. Phoiinospyris tricostata, n. sp., . . . . x 400 1087 



Fig. 16. Zygospyris cquus, n. sp., . ' . . x 300 1056 



Fig. 17. Archicircus vnonostephus, n. sp., . . . x 300 941 



Fig. 18. Dipospyris cubus, n. sp., . . . . . x 400 1036 

 Basal view of the shell, with the cortinar septum. 



Fig. 19. Gamospyris circulus, n. sp., . . . . x 200 1042 



Fig. 20. Sfephrtnospyris excellens, n. sp., . . . . x 300 1043 



