Triactoma RĂ¼st 1885 (radiolarian)

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

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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

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Specimen images are retrieved through the ePANDDA API.


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