Protozoa - Spumellaria - Angulobracchiidae
Alternative combination: Risella tledoensis
Full reference: E. Carter. 1993. Biochronology and paleontology of uppermost Triassic (Rhaetian) radiolarians, Queen Charlotte Islands, British Columbia, Canada. Memoires de Geologie 11:1-175
Belongs to Serilla according to E. S. Carter 2007
See also Carter 1993
Sister taxa: Risella stalkungiensis, Risella ellisensis, Risella tangilensis
Type specimen: Its type locality is 87-CNA-KPA-17; 89-CNA-KPA-18 Kennecott Point, Graham Island, which is in a Rhaetian basinal (siliciclastic) limestone/siltstone in the Sandilands Formation of Canada
Distribution:
• Jurassic of Canada (1: British Columbia collection)
• Triassic of Canada (14: British Columbia), Nicaragua (1), the Philippines (1), Turkey (16)
Total: 33 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.