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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Spiralia (Spiralians)
Lophotrochozoa
Mollusca (Molluscs)
Bivalvia
Autobranchia
Heteroconchia
Cardiomorphi
Cardioni
Cardiidia
Cardiata

Cardiiformii (20986477)

Children (3 direct children, 791 direct and indirect children):

Modiomorphida (tree size 35)

Hippuritida (tree size 746)
Hippuritoida

Cardiida (tree size 7)