16 APPENDIX TO "STUDIES ON MESOZOIC 



Cleistosphaeridium ehrenbergi (Deflandre) Davey, Downie, Sarjeant & Williams, 

 comb, nov., = Hystrichosphaeridium ehrenbergi Deflandre, 1947 ; text-fig. 1 

 no. 5. (Transferred to Baltisphaeridium by Sarjeant, 1961 ; 103). Middle 

 Jurassic, France. 



Cleistosphaeridium leve (Maier) Davey, Downie, Sarjeant & Williams, comb, nov., 

 =Galea levis Maier, 1959 ; 308, pi. 30 figs. 1-2 (Transferred to Baltisphaeridium 

 by Sarjeant, 1964 ; 176). Oligocene-Miocene, Germany. 



Cleistosphaeridium lumectum (Sarjeant) Davey, Downie, Sarjeant & Williams, 

 comb, nov., = Baltisphaeridium lumectum Sarjeant, i960 ; 139-40, pi. 6, fig. 1, 

 text-fig. 2. Upper Jurassic, England. 



Cleistosphaeridium multifurcatum (Deflandre) Davey, Downie, Sarjeant & 

 Williams, comb, nov., = Hystrichosphaeridium multifurcatum Deflandre, 1937 ; 

 76, pi. 16 figs. 1-3 (Transferred to Baltisphaeridium by Klement, i960 ; 59). 

 Upper Cretaceous, France. 



? Cleistosphaeridium oligacanthum (W. Wetzel) Davey, Downie, Sarjeant & 

 Williams, comb, nov., = Hystrichosphaeridium oligacanthum W. Wetzel, 1952 ; 

 402-3, pi. A fig. 8, text-figs. 21-2 (Transferred to Baltisphaeridium by Downie & 

 Sarjeant, 1963 ; 91). Paleocene, Baltic Region. 



Cleistosphaeridium pectiniforme (Gerlach) Davey, Downie, Sarjeant & Williams, 



comb, nov., = Baltisphaeridium pectiniforme Gerlach, 1961 ; 195, pi. 28 fig. 14, 



text-fig. 18. Oligocene, Germany. 

 Cleistosphaeridium poly trichum (Valensi) Davey, Downie, Sarjeant & Williams, 



comb, nov., = Hystrichosphaeridium polytrichum Valensi, 1947 ; 818, text-fig. 4 



(Transferred to Baltisphaeridium by Sarjeant, 1959 ; 339). Middle Jurassic, 



France. 

 ^Cleistosphaeridium spiralisetum (de Wit) Davey, Downie, Sarjeant & Williams, 



comb, nov., = Hystrichosphaeridium spiralisetum de Wit, 1943 ; 383, text-figs. 



2, 11 (Transferred to Baltisphaeridium by Downie & Sarjeant, 1964 ; 97). 



Upper Cretaceous, Netherlands. 

 Cleistosphaeridium tiara (Klumpp) Davey, Downie, Sarjeant & Williams, comb. 



nov., = Hystrichosphaeridium tiara Klumpp, 1953 ; 390-1, pi. 17 figs. 8-10 



(Transferred to Baltisphaeridium by Downie & Sarjeant, 1963 ; 92). Eocene 



Germany. 

 Cleistosphaeridium tribuliferum (Sarjeant) Davey, Downie, Sarjeant & Williams, 



comb, nov., = Baltisphaeridium tribuliferum Sarjeant, 1962 ; 487-8, pi. 70 fig. 



4, text-figs. 6c, 7. Upper Jurassic, England. 

 Exochosphaeridium palmatum (Deflandre & Courteville) Davey, Downie, 



Sarjeant & Williams, comb, nov., = Hystrichosphaeridium palmatum Deflandre & 



Courteville, 1939 ; 101-2, pi. 3 fig. 1 (Transferred to Baltisphaeridium by Downie 



& Sarjeant, 1963 ; 91). Upper Cretaceous, France. 



? Exochosphaeridium pseudhystrichodinium (Deflandre) Davey, Downie, 



Sarjeant & Williams, comb, nov., = Hystrichosphaeridium pseudhystrichodinium 



