†family Theocotylidae Petrushevskaya 1981 (radiolarian)
Protozoa - Nassellaria - Theocotylidae
Parent taxon: Eucyrtidiacea according to P. De Wever et al. 2001
Sister taxa: Bekomidae, Eucyrtidiidae, Eucyrtiidae, Lophocyrtiidae, Obeliscoitidae, Pseudodictyomitridae, Xitidae
Subtaxa: Axocorys Lamptonium Pterocodon Theocotyle Thyrsocyrtis
Type: Theocotyle
Ecology: passively mobile planktonic omnivore
Distribution: