Family Phacodiscidae Haeckel 1881 (radiolarian)
Protozoa - Radiolaria - Phacodiscidae
Parent taxon: Coccodiscacea according to A. R. Loeblich and H. Tappan 1961
Sister taxon: Ommatodiscidae
Subtaxa: Heliosestrinae
Ecology: passively mobile planktonic omnivore
Distribution:
• Paleocene of New Zealand (15 collections)
• Cretaceous of New Zealand (4)
• Triassic of Hungary (2)
Total: 21 collections each including a single occurrence