MESOZOIC AND CAINOZOIC DINOFLAGELLATE CYSTS 131 



Gonyaulacysta eisenacki (Deflandre 1938). Upper Jurassic (Oxfordian) ; France. 



Gonyaulacysta eumorpha (Cookson & Eisenack 19606). Upper Jurassic (Oxfordian 

 -Lower Kimmeridgian) ; Western Australia. 



Gonyaulacysta granulata (Klement i960). Upper Jurassic (Oxfordian-Kimmerid- 

 gian) ; Germany. 



Gonyaulacysta granuligera (Klement i960). Upper Jurassic (Kimmeridgian) ; 

 Germany. 



Gonyaulacysta hyalodermopsis (Cookson & Eisenack 1958). Lower Cretaceous 

 (? Aptian) ; Western Australia. 



Gonyaulacysta margaritifera (Cookson & Eisenack 1960a). Upper Cretaceous 

 (Senonian) ; Western Australia. 



Gonyaulacysta microceras (Eisenack 1958). Lower Cretaceous (Aptian) ; Germany. 



Gonyaulacysta millioudi (Sarjeant 19636, 1965). Upper Jurassic (Oxfordian) ; 

 Switzerland. 



Gonyaulacysta muderongensis (Cookson & Eisenack 1958). Lower Cretaceous 

 (Aptian) ; Western Australia. 



Gonyaulacysta obscura (Lejeune-Carpentier 1946). Upper Cretaceous ; Belgium. 



Gonyaulacysta pachydermia (Deflandre 1938). Upper Jurassic (Oxfordian) ; 

 France. 



Gonyaulacysta per j or ans (Cookson & Eisenack 1958). Upper Jurassic ; Papua. 



Gonyaulacysta scarburghensis Sarjeant 19646 (= Gonyaulax areolata n.n. Sarjeant 

 1961). Upper Jurassic (Oxfordian) ; England. 



Gonyaulacysta scotti (Cookson & Eisenack 1958). Upper Jurassic ; Western 

 Australia. 



Gonyaulacysta serrata (Cookson & Eisenack 1958). Upper Jurassic-? Lower 

 Cretaceous ; Papua. 



Gonyaulacysta tenuicer as (Eisenack 1958). Lower Cretaceous (Aptian) ; Germany. 



Gonyaulacysta wetzeli (Lejeune-Carpentier 1939). Upper Cretaceous ; Belgium. 



The following described species are doubtfully included in Gonyaulacysta on the 

 basis of general structure but in absence of clear knowledge of the mode of archaeo- 

 pyle formation. 



} Gonyaulacysta aceras (Eisenack 1958). Lower Cretaceous (Aptian) ; Germany. 



? "Gonyaulacysta cornigera (Valensi 1953). Middle Jurassic (Bathenian) ; France. 



1 Gonyaulacysta freakei (Sarjeant 19636). Upper Jurassic (Oxfordian) ; England. 



} Gonyaulacysta longicornis (Downie 1957). Upper Jurassic (Kimmeridgian) ; 

 England. 



} Gonyaulacysta mamillifera (Deflandre 1939). Upper Jurassic (Kimmeridgian) ; 

 France. 



