Radiolaria - Spumellaria - Xiphostylidae
Parent taxon: Xiphostylidae according to P. De Wever et al. 2001
See also Hull 1997 and Sepkoski 2002
Sister taxa: Amuria, Archaeocenosphaera, Suna, Trigonosphaera, Tripocyclia, Xiphostylus, Zanola
Subtaxa: Triactoma amajacensis Triactoma blakei Triactoma cellulosa Triactoma frequens Triactoma hexeris Triactoma hidalgoensis Triactoma jonesi Triactoma kellumi Triactoma mexicana Triactoma parablakei Triactoma paramexicana Triactoma prolongata Triactoma rosespitensis Triactoma spinosa Triactoma tenuspinea Triactoma tithonianum
Ecology: passively mobile planktonic omnivore
Distribution:
• Cretaceous of Albania (1 collection), Austria (10), Germany (1), Greece (4), Italy (80), Oman (10), the Philippines (1), Poland (2), the Russian Federation (1), Turkey (1)
• Jurassic to Cretaceous of Austria (3), Germany (1), Italy (3), Oman (2)
• Jurassic of Albania (3), Antarctica (14), Austria (19), Canada (8: British Columbia), Germany (9), Greece (9), India (1), Italy (38), Japan (15), Mexico (18), Oman (11), the Philippines (2), Romania (8), the Russian Federation (14), Slovakia (18), Spain (4), Switzerland (2), Turkey (1), United States (32: California, Oregon)
Total: 346 collections including 585 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.