Children (10 direct children, 40 direct and indirect children):
Palaeodesmus
(tree size 1)
Archidesmida
(tree size 6)
Euphoberiida
(tree size 11)
Cowiedesmida
(tree size 2)
Palaeosomatida
(tree size 4)
Pneumodesmus
(tree size 1)
Anthracodesmus
(tree size 1)
Albadesmus
(tree size 1)
Anaxeodesmus
(tree size 1)
Woodesmidae
(tree size 2)