Protozoa - Spumellaria - Angulobracchiidae
Synonym: Risella Carter 1993 [replaced name]
Full reference: E. S. Carter. 2007. New names for two Triassic radiolarian genera from the Queen Charlotte Islands: Ellisus replaces Harsa Carter 1991 non Marcus 1951; Serilla replaces Risella Carter 1993 non Gray 1840 (1847). Micropaleontology 53(1-2):104
Parent taxon: Angulobracchiidae according to S. Uzuncimen et al. 2011
See also Carter 2007, De Wever et al. 2001, Sepkoski 2002 and Tekin 2002
Sister taxa: Angulobracchia, Bistarkum, Cyclastrum, Danubea, Deviatus, Loupanus, Paronaella, Protopsium, Thurstonia
Subtaxa: Risella ellisensis Risella stalkungiensis Risella tangilensis Serilla tledoensis
Ecology: passively mobile planktonic omnivore
Distribution:
• Jurassic of Canada (1: British Columbia collection)
• Triassic of Canada (27: British Columbia), Japan (6), Nicaragua (1), the Philippines (1), Turkey (18)
Total: 54 collections including 116 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.