Difference between revisions of "Subfamily Ovoidinioideae"

Diagnosis:Peridiniaceans in which the episomal tabulation is bipesioid and the Kofoid second anterior intercalary plate is hexa (i.e. six-sided). The cyst wall is composed of dinosporin and lacks a calcareous layer (or layers). The archeopyle is centred about the apical region.

Ovoidinium Davey, 1970; fossil - Cretaceous (Cenomanian).

Ascodinium Cookson and Eisenack, 1960a; Cretaceous (Albian-Cenomanian).
Bohaidina Jiabo, 1978; Early Tertiary.


(=Prominangularia Jiabo, 1978; taxonomic junior synonym according to Sun Xuekun, 1994, p.70)



Bosedinia He Chengquan, 1984b; Late Eocene-Oligocene.


(=Bosea He Chengquan and Qian Zeshu, 1979; homonym -Bosedinia is substitute)



Cepadinium Duxbury, 1983; Cretaceous (Aptian).
?Corculodinium Batten and J.K. Lister, 1988; Cretaceous (Barremian).
?Craspedodinium Cookson and Eisenack, 1974; Cretaceous (Aptian-Albian).
Epelidosphaeridia Davey, 1969a; Cretaceous (Cenomanian).
Holmwoodinium Batten, 1985; Cretaceous (Barremian).
Huanghedinium Zhu Shenzhao, He Chengquan and Jin Guangxing in He Chengquan et al., 1989; Early Tertiary.
Leberidocysta Stover and Evitt, 1978; Cretaceous (Albian-Cenomanian).
Ovoidinium Davey, 1970; Cretaceous (Cenomanian).


(=Evittia Pocock, 1972; homonym -Pocockia is substitute)


(=Pocockia Lentin and Williams, 1973; taxonomic junior synonym acc. Lentin and Williams, 1976, p.162)



Parabohaidina Jiabo, 1978; Early Tertiary.


(=Conicoidium Jiabo, 1978; taxonomic junior synonym according to Sun Xuekun, 1994, p.80)



?Paraperidinium Jin Guangxing, He Chengquan and Zhu Shenzhao in He Chengquan et al., 1989; Early Tertiary.
?Ripea Batten, 1985; Cretaceous (?Hauterivian).