†family Obeliscoitidae O'Dogherty 1994 (radiolarian)
Protozoa - Nassellaria - Obeliscoitidae
Parent taxon: Eucyrtidiacea according to P. De Wever et al. 2001
Sister taxa: Bekomidae, Eucyrtidiidae, Eucyrtiidae, Lophocyrtiidae, Pseudodictyomitridae, Theocotylidae, Xitidae
Subtaxa: Birkenmajeria Obeliscoites Olanda
Ecology: passively mobile planktonic omnivore
Distribution:
• Cretaceous of Albania (1 collection), Azerbaijan (4), Italy (15), Oman (1), Poland (3)
• Jurassic of Italy (3), Oman (2), United States (2: California)
Total: 31 collections including 57 occurrences