Bistarkum Yeh 1987 (radiolarian)

Polycystina - Spumellaria - Angulobracchiidae

Synonyms: Bigrumpta Pessagno and Hull 2002, Grumpta Pessagno and Hull 2002

Full reference: K. Y. Yeh. 1987. Taxonomic Studies of Lower Jurassic Radiolaria from East-Central Oregon. National Museum of Natural Science Special Publications 2:1-169

Parent taxon: Angulobracchiidae according to P. De Wever et al. 2001

See also O'Dogherty et al. 2009, Pessagno and Hull 2002 and Sepkoski 2002

Sister taxa: Angulobracchia, Cyclastrum, Danubea, Deviatus, Loupanus, Paronaella, Protopsium, Serilla, Thurstonia

Subtaxa: Bistarkum bifurcum Bistarkum brevilatum Bistarkum coriniforme Bistarkum cylindratum Bistarkum martiali Bistarkum phantomense Bistarkum rhaeticum Bistarkum rigidium Bistarkum saginatum

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Ecology: passively mobile planktonic omnivore


• Cretaceous of Italy (47 collections), Oman (4), the Philippines (1)

• Jurassic to Cretaceous of Italy (3)

• Jurassic of Canada (8: British Columbia), Indonesia (2), Italy (3), Japan (10), Oman (6), Peru (1), Slovenia (4), Spain (1), Switzerland (2), Turkey (4), United States (5: California, Oregon)

• Triassic of Canada (19: British Columbia), Cyprus (2), New Zealand (1), Turkey (7)

• Permian of China (12)

Total: 142 collections including 187 occurrences

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Specimen images are retrieved through the ePANDDA API.

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