Children (20 direct children, 2659 direct and indirect children):
Rhynchonelliformea
(tree size 2386)
Kirengellidae
Kirengellida
Obolella
Acrothyra
Dolerorthis
Eccentrotheca
Inarticulata
Linguliformea
(tree size 134)
Longtancunella
Plectodonta
Tommotiid
(tree size 7)
Tommotiida
Heliomedusa
Paterina
(tree size 1)
Craniiformea
(tree size 91)
Xianshanella
Paterinida
(tree size 8)
Skenidiidae
(tree size 2)
Laballidae
(tree size 5)
Dallinacea
(tree size 1)
Peltastes
(tree size 4)