Children (38 direct children, 109 direct and indirect children):
Cornutella
(tree size 1)
Cornutella (radiolarian)
Artopilium
(tree size 1)
Artostrobus
(tree size 2)
Calocyclas
(tree size 1)
Clathrocyclas
(tree size 2)
Conarachnium
(tree size 2)
Conicavus
(tree size 1)
Corocalyptra
(tree size 1)
Cycladophora
(tree size 3)
Cyrtolagena
(tree size 1)
Dictyoceras
Dictyocodon
(tree size 1)
Dictyophimus
(tree size 7)
Eucecryphalus
(tree size 6)
Eucyrtidium
(tree size 9)
Gondwanaria
(tree size 2)
Lipmanella
(tree size 4)
Litharachnium
(tree size 2)
Lithocampe
(tree size 1)
Lithomitra
(tree size 1)
Lithopera
(tree size 1)
Lithopilium
(tree size 1)
Lithostrobus
(tree size 3)
Lophocorys
(tree size 1)
Lophocyrtis
(tree size 1)
Perypiramis
Phrenocodon
(tree size 1)
Plectopyramis
(tree size 1)
Pterocanium
(tree size 6)
Pterocyrtidium
Sethoconus
(tree size 2)
Stichocorys
(tree size 1)
Stichopera
Stichopilidium
(tree size 2)
Theocalyptra
Theocorys
(tree size 1)
Theopilium
(tree size 1)
Cyrtopera (chromista)
(tree size 1)
Cyrtopera