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Tetracapsa Haeckel 1881 (radiolarian)

Radiolaria - Nassellaria - Theoperidae

PaleoDB taxon number: 670

Alternative spelling: Tetracapasa

Parent taxon: Theoperidae according to W. Kiessling 1999

Sister taxa: Lithochytris, Theopodium, Rhopalocanium, Theopera, Dictyocephalus, Ectonocorys, Lychnocanium, Rhopalatractus, Sethochytris, Theophaena, Eusyringium

Subtaxa: Tetracapsa horokanaiensis, Tetracapsa molengraaffi

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Ecology: passively mobile planktonic omnivore