Children (12 direct children, 1359 direct and indirect children):
Pandoridae
(tree size 95)
Periplomatidae
(tree size 74)
Thraciidae
(tree size 215)
Poromyidae
(tree size 99)
Cuspidariidae
(tree size 529)
Lyonsiidae
(tree size 92)
Myochamidae
(tree size 74)
Clavagellidae
(tree size 42)
Laternulidae
(tree size 39)
Pholadomyidae
(tree size 66)
Parilimyidae
(tree size 20)
Thracioidea
(tree size 2)