Citation: Wetzelielloideae (Vozzhennikova 1961)
Bujak and Davies 1983.
Diagnosis: Peridiniaceans in which the middorsal anterior intercalary plate is quadra (i.e. four-sided). Type genus: Wetzeliella Eisenack 1938b; fossil - Late Eocene-Early Oligocene.
Apectodinium (Costa and Downie 1976) Lentin and Williams 1977b; Early Eocene. Charlesdowniea Lentin and Vozzhennikova 1989; Early Eocene. Dracodinium Gocht 1955; Eocene-Oligocene. Kisselevia Vozzhennikova 1963 ex Vozzhennikova 1967; Eocene.
Rhombodinium Gocht 1955; Mid Oligocene. Wetzeliella Eisenack 1938b; Late Eocene-Early Oligocene.
Wilsonidium Lentin and Williams 1976; Late Eocene.
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