io APPENDIX TO "STUDIES ON MESOZOIC 



Gonyaulacysta granuligera (Klement) Sarjeant, comb, nov., =Gonyaulax 



granuligera Klement, i960 ; 41-2, pi. 5 figs. 4-5. Upper Jurassic, Germany. 

 Gonyaulacysta hadra Sarjeant, 1966b ; 119-21, pi. 14 fig. 1, text-fig. 28. Lower 



Cretaceous, England. 

 Gonyaulacysta helicoidea (Eisenack & Cookson) Sarjeant, 1966b ; 1 16-17, pi. 13 



figs. 7-8, pi. 15 figs. 8-9, text-fig. 26, =Gonyaulax helicoidea Eisenack & Cookson, 



i960 ; 2-3, pi. 2, figs. 4-9. Lower Cretaceous, Australia. 

 Gonyaulacysta hyaloderma (Deflandre, 1939 ; 144, pi. 6 figs 3-4) Sarjeant, 1967 ; 



252. Upper Jurassic, France. 

 Gonyaulacysta hyalodermopsis (Cookson & Eisenack) Sarjeant, comb, nov., 



—Gonyaulax hyalodermopsis Cookson & Eisenack, 1958 ; 34, pi. 3 figs. 11-12, 



text-figs. 5-6. Lower Cretaceous, Australia. 

 Gonyaulacysta longicornis (Downie) Sarjeant, comb, nov., =Gonyaulax longi- 



cornis Downie, 1957 ; 420, pi. 20 fig. 8, text-figs. 2a-b. Upper Jurassic, 



England. 

 Gonyaulacysta kostromiensis (Vozzhennikova) Sarjeant, comb, nov., =Gonyaulax 



kostromiensis Vozzhennikova, 1967, 85-6, pi. 26, figs. 1-6, pi. 27, figs. 1-2. 



Lower Cretaceous, U.S.S.R. 

 ? Gonyaulacysta mamillifera (Deflandre) Sarjeant, comb, nov., =Gonyaulax 



mamillifera Deflandre, 1939 ; 143, pi. 6 fig. 1. Upper Jurassic, France. 

 Gonyaulacysta microceras (Eisenack) Clarke & Verdier, 1967 ; 31, =Gonyaulax 



microceras Eisenack, 1958 ; 391, pi. 21 figs. 12-13. Lower Cretaceous, Germany. 

 Gonyaulacysta monacantha (Deflandre, 1935 ; 228, pi. 6 fig. 1) Sarjeant, 1967 ; 



252. Upper Cretaceous, France. 

 ? Gonyaulacysta nannotrix (Deflandre) Sarjeant, comb, nov., =Gonyaulax 



nannotrix Deflandre, 1939 ; 143, pi. 6 fig. 7. Upper Jurassic, France. 

 Gonyaulacysta nuciformis (Deflandre, 1938 ; 180, pi. 8 figs. 4-6, emend. 



Sarjeant, 1962b ; 482, pi. 6 fig. 6, text-fig. 4) Sarjeant, 1968 ; 227, pi. 3 fig. 4. 



Upper Jurassic, France. (Originally placed by Deflandre in the genus Palae- 



operidinium : later transferred to Gonyaulax by Sarjeant, 1962b). 

 Gonyaulacysta obscura (Lejeune-Carpentier) Sarjeant, comb, nov., =Gonyaulax 



obscura Lejeune-Carpentier, 1946 ; 191-3, text-figs. 3-5. Upper Cretaceous, 



Belgium. 

 Gonyaulacysta pachyderma (Deflandre) Sarjeant, comb, nov., =Gonyaulax 



pachyderma Deflandre, 1938 ; 176-8, pi. 7 figs. 6-10, text-figs. 7-10. Upper 



Jurassic, France. 

 Gonyaulacysta palla Sarjeant, 1966b ; 113-4, pi. 13 figs. 3-4, text-fig. 24. Lower 



Cretaceous, England. 

 Gonyaulacysta parorthoceras Davey, 1968b ; 1 { = G. orthoceras Sarjeant, 1966b ; 



121-3, pi. 14 figs. 5-6, text-fig. 29, —Gonyaulax orthoceras Eisenack, 1958, pi. 21 



figs. 3-11, pi. 24 fig. 1, text-figs. 2-3, pars). Lower Cretaceous, England. 

 Gonyaulacysta perforans (Cookson and Eisenack) Sarjeant, comb, nov., =Gony- 



aulax perforans Cookson & Eisenack, 1958 ; 30-32, pi. 2 figs. 1-4, 7, 8, text-figs. 



8-9. Upper Jurassic, Papua. 



