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Betraccium Pessagno et al. 1979 (radiolarian)

Radiolaria - Polycystina - Pantanelliidae

PaleoDB taxon number: 40

Full reference: E. A. Pessagno, W. Finch, and P. L. Abbott. 1979. Upper Triassic Radiolaria from the San Hipólito Formation, Baja California. Micropaleontology 25(2):160-197

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

Sister taxa: Cantalum, Cecrops, Gorgansium, Pachyonchus, Pantanellium, Pseudopantanellium, Trillus, Zartus

Subtaxa: Betraccium chengi, Betraccium deweveri, Betraccium inornatum, Betraccium irregulare, Betraccium kennecottense, Betraccium maclearni, Betraccium nodulum, Betraccium perilense, Betraccium smithi

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Ecology: passively mobile planktonic omnivore