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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
Pteriomorphia
Ostreoida (Ostreida)
Gryphaeidae

Pycnodonteinae (33138914)

Children (8 direct children, 21 direct and indirect children):

Hyotissa (tree size 13)
Parahyotissa

Pycnodonteini

Hyotissini

Neopycnodonteini

Argutostrea

Notostrea

Pycnogryphaea

Texigryphaea