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Rhopalocanium Ehrenberg 1847 (radiolarian)

Radiolaria - Nassellaria - Theoperidae

PaleoDB taxon number: 630

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

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

Subtaxa: Rhopalocanium ornatum

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Ecology: passively mobile planktonic omnivore