CONTENTS 



PAGE 



Introduction 7 



Genera of fossil spores 11 



Tasmanites 11 



Triletes 19 



Pityosporites 27 



Punctati-sporites 29 



Granulati-sporites ^ 32 



Alati-sporites . . 33 



Reticulati-sporites 34 



Laevigato-sporites 36 



Zonalo-sporites 37 



Monoletes 38 



Denso-sporites 39 



Cystosporites 40 



Parasporites 42 



Cirratriradites 43 



Endosporites 44 



Triquitrites ,46 



Equisetosporites 47 



Alisporites 48 



Calamospora 49 



Reinschospora 52 



Lycospora 54 



Raistrickia 55 



Florinites 56 



Incertae sedis . 60 



Summary 61 



Acknowledgments . 61 



References 62 



Plates and plate explanations . . . , 67 



[5] 



