PLATE 87. 

 ZYGOSPYRIDA et THOLOSPYRIDA. 



Diam. Pige 



Fig. 1. Gorgospyris medusa, n. sp., . . . . x 300 1070 



Pig. 2. Gorgospyris medusetta, n. sp., . . . . x 300 1070 

 From the basal side, with the nine cortinar pores. 



Fig. 3. Gorgospyris polypus, n. sp., . . x 300 1070 



Fig. 4. Gorgospyris schizopodia, n. sp., . . .' . x 400 1071 



Fig. 5. Gorgospyris eurycolpos, n. sp., . . . x 300 1071 



Fig. 6. Gorgospyris liriope, n. sp., . . . . . x 300 1071 



Fig. 7. Tiarospyris pervia, n. sp., . . . ; . . . x 400 1082 



Fig. 8. Tiarospyris amphora, n. sp., . . .. x 400 1083 



Fig. 9. Tiarospyris mitra, n. sp., . . . . x 400 1082 

 From the ventral side. 



Fig. 10. Tiarospyris mitra, n. sp., . v . . x 400 1082 

 From the dorsal side. 



Fig. 11. Petalospyris octopus, n. sp., . . . . x 400 1061 



Fig. 12. Petalospyris dinoceras, n. sp., . . . . x 400 1063 



Fig. 13. Petalospyris lobata, n. sp., . . . . . x 300 1064 



Fig. 14. Petalospyris triomma, n. sp., . . . . x 200 1060 

 From the basal side, with the six cortinar pores. 



Fig. 15. Anthospyris spathulata, n. sp., . . . x 400 1065 



Fig. 16. Anthospyris mammillata, n. sp., . . . . x 400 1064 



Fig. 17. Anthospyris tragopogon, n. sp., . . x 300 1066 



Fig. 18. Anthospyris doronicum, n. sp., . . . . x 300 1065 



Fig. 19. Ceratospyris calorrhiza, n. sp., . . . . x 400 1069 



