Protozoa - 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
Ecology: passively mobile planktonic omnivore
Distribution:
• 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
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.