174 MESOZOIC AND CAINOZOIC DINOFLAGELLATE CYSTS 



reattribution to be made. These are, for the time being, left in the genus Balti- 

 sphaeridutm ; they are as follows : 



Baltisphaeridiiim armatum (Deflandre, 1937) Downie & Sarjeant 1963. Upper 

 Cretaceous ; France. 



B. asteroideum (Maslov 1956) Downie & Sarjeant 1963. Upper Cretaceous ; 

 Cauacusus, U.S.S.R. 



B. clavicidorum (Deflandre 1938) Downie & Sarjeant 1963. Upper Jurassic ; 

 France. 



B. clavispinulosum Churchill & Sarjeant 1963. Quaternary ; Australia. 



B. densicomatum (Maier 1959) Gerlach 1961. Oligocene ; Germany. 



B. denticidatum (Courteville in Deflandre 1946) Downie & Sarjeant 1963. Upper 



Cretaceous ; France. 

 B.l difformc (Pritchard 1841) Downie & Sarjeant 1963. Upper Cretaceous ; 



England. 



B. downiei Sarjeant 1960a, Upper Jurassic ; England. 



B. echiniplax Churchill & Sarjeant 1963. Quaternary ; Australia. 



B . fimbriatum (White 1842) Sarjeant 1959. Upper Cretaceous ; England. 



B. gilsonii (Kufferath 1950) Downie & Sarjeant 1963. Quaternary ; Belgium. 



B. horridum (Deflandre 1937) Downie & Sarjeant 1963. Upper Cretaceous ; 

 France. 



B. hitgnonioti (Valensi 1955) Downie & Sarjeant 1963. Cretaceous ; France. 



B. intermedium (O. Wetzel 1933) Downie & Sarjeant 1963. Upper Cretaceous ; 

 Baltic. 



B. longofdum (Maier 1959) Downie & Sarjeant 1963. Oligocene ; Germany. 



B. malleoferum (White 1842) Downie & Sarjeant 1963. Upper Cretaceous ; 

 England. 



B. mariannae (Philippot 1949) Downie & Sarjeant 1963. Upper Cretaceous ; 

 France. 



B. panniforme Gerlach 1961. Oligocene ; Germany. 



B. pattei (Valensi 1948) Sarjeant 1960a. Middle Jurassic ; France. 



B. paucifurcatum (Cookson & Eisenack 1961ft) Downie & Sarjeant 1964. Eocene ; 

 Australia. 



B. pectiniforme Gerlach 1961. Oligocene ; Germany. 



B. plicatum (Maier 1959) Downie & Sarjeant 1963. Oligocene ; Germany. 



B. (?) polyceratum Takahashi 1964. Oligocene ; Japan. 



B. polyozon Brosius 1963. Oligocene ; Germany. 



B. quaternarium Churchill & Sarjeant 1963. Quaternary ; Australia. 



