Tetraditryma Baumgartner 1980 (radiolarian)

Radiolaria - Spumellaria - Hagiastridae

Synonym: Saldorfus Pessagno, Jr. et al. 1993

Parent taxon: Hagiastridae according to P. De Wever et al. 2001

See also Hull 1997, Pessagno et al. 1993 and Sepkoski 2002

Sister taxa: Archaeohagiastrum, Crucella, Hagiastrum, Higumastra, Monotrabs, Pobum, Pseudocrucella, Pseudohagiastrum, Pseudohigumastra, Pterotrabs, Savaryella, Sophia, Tetraporobrachia, Tetratrabs, Udalia

Subtaxa: Tetraditryma coldspringensis Tetraditryma corralitosensis Tetraditryma praeplena Tetraditryma pseudoplena

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Ecology: passively mobile planktonic omnivore

Distribution:

• Cretaceous of Oman (2 collections)

• Jurassic to Cretaceous of Germany (1)

• Jurassic of Antarctica (2), Austria (1), Canada (3: British Columbia), Germany (1), Greece (2), India (1), Italy (11), Japan (9), Mexico (8), Oman (7), Romania (1), the Russian Federation (3), Slovakia (3), Spain (3), Switzerland (3), United States (12: California, Oregon)

Total: 73 collections including 104 occurrences

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Specimen images are retrieved through the ePANDDA API.


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