Polycystinea - Spumellaria - Angulobracchiidae
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 Risella according to E. Carter 1993
Sister taxa: Serilla tledoensis, Risella stalkungiensis, 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:
• Triassic of Canada (15: British Columbia collections), Türkiye (9)
Total: 24 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.