Amphipternis Foreman 1973 (radiolarian)
Radiolaria - Nassellaria - Amphipyndacidae
Parent taxon: Amphipyndacidae according to P. De Wever et al. 2001
Sister taxa: Amphipyndax, Cyrtolagena, Palinandromeda, Parvifasus, Parvifavus, Triversus
Subtaxa: none
Ecology: passively mobile planktonic omnivore