Children (7 direct children, 121 direct and indirect children):
Pyramodon
(tree size 4)
Snyderidia
(tree size 2)
Tetragondacnus
(tree size 1)
Eurypleuron
(tree size 2)
Carapinae
(tree size 103)
Pyramodontinae
(tree size 2)
Tetragondacninae