Protozoa - Nassellaria - Williriedellidae
Parent taxon: Williriedellidae according to P. Zügel 1997
See also Sepkoski 2002
Sister taxa: Cryptamphorella, Excentropylomma, Helvetocapsa, Hemicryptocapsa, Hiscocapsa, Holocryptocanium, Holocryptocapsa, Immersothorax, Kozurium, Minocapsa, Praewilliriedellum, Striatojaponocapsa, Trisyringium, Williriedellum, Zhamoidellum
Subtaxa: Tricolocapsa abdominalis Tricolocapsa anceps Tricolocapsa campana Tricolocapsa grandaeva Tricolocapsa obesa Tricolocapsa tetragona Tricolocapsa thoracica
Ecology: passively mobile planktonic omnivore
Distribution:
• Cretaceous of Antarctica (1 collection), Oman (9), the Philippines (1)
• Jurassic of Albania (4), Antarctica (4), Canada (12: British Columbia), Germany (13), Greece (1), Indonesia (1), Italy (2), Japan (9), Oman (3), the Philippines (2), the Russian Federation (8), Slovakia (3), Spain (3), United States (15: California)
Total: 91 collections including 116 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.