Subfamily Calciodinelloideae
Citation: Calciodinelloideae Fensome et al. 1993b. 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 includes a calcareous layer or layers. The archeopyle is centred about the apical region. Calciodinellum Deflandre 1947b; fossil - Late Miocene. Ensiculifera Balech 1967.
Alasphaera Keupp 1979b; Cretaceous (Hauterivian).
Bitorus Keupp 1992a; Cretaceous (?Late Berriasian-Valanginian).
Calciodinellum Deflandre 1947b; Late Miocene.
?Cubodinellum Keupp 1987; Cretaceous (Albian-Cenomanian).
?Heptasphaera Keupp 1979a; Cretaceous (Barremian).
Lentodinella Kienel 1994; Paleocene (Danian).
Orthopithonella Keupp in Keupp and Mutterlose 1984; Cretaceous (Aptian-Albian).
?Pithonella Lorenz 1902; Cretaceous (Cenomanian-Turonian).
Praecalcigonellum Keupp and Versteegh 1989; Cretaceous (Aptian-Albian).
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