Children (11 direct children, 61 direct and indirect children):
Lingulidae
(tree size 32)
Obolidae
(tree size 16)
Zhanatellidae
(tree size 1)
Pseudolingulidae
(tree size 1)
Elkaniidae
Paterulidae
Eoobolidae
Kyrshabaktellidae
Lingulasmatidae
Dysoristidae
Aulonotretidae