Subfamily Goniodomoideae

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Subfamily Goniodomoideae

Citation: Goniodomoideae (Autonym).

Diagnosis:Goniodomaceans in which the posterior sulcal homologue is external to the sulcus. The cell is not compressed anteriorly- posteriorly. Cysts, where developed, are of dinosporin. The first apical homologue is exsert.

Type genus:

Goniodoma

Extant genera:

Goniodoma Stein 1883.

Triadinium

?Pachydinium Pavillard 1915.

Fossil genus:

Heteraulacacysta Drugg and Loeblich Jr. 1967; Mid Eocene.

Family Goniodomaceae part 2

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