DAVEY, DOWNIE, SARJEANT & WILLIAMS (1966) 



33 



CYMATIOSPHAERA O. Wetzel, 1933; 

 emend. Deflandre, 1954 

 membranacea (Philippot, 1949) Davey & 

 Williams, 1969 



DEFLANDRE A Eisenack, 1938; emend. 



Williams & Downie, 1966c; emend. Lentin 



& Williams, 1976 

 denticulata Alberti, 1959 

 oebisfeldensis Alberti, 1959 

 phosphoritica Eisenack, 1938 

 phosphoritica subsp. australis Cookson & 



Eisenack, 1961a 

 phosphoritica subsp. phosphoritica Eisenack, 



1938 

 wardenensis Williams & Downie, 1966c 



DICHADOGONYAULAX Sarjeant, 1966a 



culmula (Norris, 1965) Loeblich & Loeblich, 



1968 

 pannea (Norris, 1965) Sarjeant, 1969 



schizoblatum (Norris, 1965) Sarjeant, 1969 



DINGODINIUM Cookson & Eisenack, 1958 

 ? albertii Sarjeant, 1966c 

 jurassicum Cookson & Eisenack, 1958 



DIPHYES Cookson, 1965; emend. Davey & 



Williams, 1966b 

 colligerum (Deflandre & Cookson, 1955) 



Cookson, 1965 

 Pmonstruosum (Tasch, 1964) Davey & 



Williams, 1969 



DOIDYX Sarjeant, 1966b 



anaphrissa Sarjeant, 1966c 



DUOSPHAERIDIUM Davey & Williams, 

 1966b 

 nudum (Cookson, 1965) Loeblich & Loe- 

 blich, 1968 



EISENACKIA Deflandre & Cookson, 1955; 

 emend. Sarjeant, 1966b; emend. McLean, 

 1973; emend. Stover & Evitt, 1978 

 crassitabulata Deflandre & Cookson, 1955; 

 emend. McLean, 1973 



Regarded as an acritarch. 



Ceratiopsis wardenensis (Williams & Downie, 

 1966c) Bujak et al., 1980 



[Considered by Lentin & Williams, 1973 to 



be ajr syn. of Ctenidodinium] 

 [Transferred to Ctenidodinium by Lentin & 



Williams, 1973.] 

 [Transferred to Ctenidodinium by Lentin & 



Williams, 1973.] 

 [Transferred to Ctenidodinium by Lentin & 



Williams, 1973] 



Coronifera monstruosa (Tasch, 1964) Stover & 

 Evitt, 1978 



Shown by Sarjeant & Stover, 1978 to be a.jr 

 syn. of APTEA Eisenack, 1958; emend. 

 Davey & Verdier, 1974; emend. D6rhofer& 

 Davies, 1980 

 Aptea anaphrissa (Sarjeant, 1966c) Stover & 

 Sarjeant, 1978 



