Children (19 direct children, 6972 direct and indirect children):
Ostreoida
(tree size 686)
Ostreida
Pterioida
(tree size 706)
Pteriida
Limoida
(tree size 499)
Mytiloida
(tree size 1270)
Posidoniidae
(tree size 4)
Cyrtodontoida
Ostreiformii
Myalinida
(tree size 69)
Colpomyidae
Colpomyida
(tree size 2)
Cyrtodontida
(tree size 21)
Tuarangiida
(tree size 2)
Pectinida
(tree size 1841)
Pectinoida
Mytilida
Myodakryotidae
Ischyrodontidae
Matheriidae
Ostreomorphi
(tree size 3)
Arcida
(tree size 1850)
Arcoida