Callaiosphaeridium Davey and Williams 1966

Dinoflagellata

Full reference: R. Davey and G. Williams. 1966. The genus Hystrichosphaeridium and its allies; Studies on Mesozoic and Cainozoic dinoflagellate cysts. British Museum (Natural History) Geology, Bulletin, 5(3):53-105

Parent taxon: Dinoflagellata according to R. Davey and G. Williams 1966

Sister taxa: Acanthaulax, Aldorfia, Apectodinium, Biechelerella, Bulbodinium, Calciodinellum, Canninginopsis, Chonesphaera, Crussolia, Dinophyceae, Disphaerogena, Dracodinium, Dubridinium, Emslandia, Eurydinium, Evittodinium, Filisphaera, Glyphanodinium, Haplohermesinum, Hystrichosphaeridea, Korystocysta, Lejeunia, Palambages, Palynodinium, Paraevansia, Paralecaniella, Pentadinium, Phallocysta, Pluriarvalium, Polysphaeridium, Rhombodinium, Schematophora, Scrippsiella, Spongodinium, Svalbardella, Tubidermodinium, Turbiosphaera

Subtaxa: Callaiosphaeridium asymmetricum

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Distribution:

• Eocene of United States (1: Missouri collection)

• Cretaceous of Antarctica (1), Argentina (1)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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