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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
Autolamellibranchiata
Palaeoheterodonta

Trigonioidea (147835)

Children (9 direct children, 1284 direct and indirect children):

Trigoniidae (tree size 975)

Myophoriidae (tree size 208)

Trigonodidae (tree size 41)

Groeberellidae (tree size 1)

Prosogyrotrigoniidae (tree size 11)

Eoschizodidae (tree size 1)

Schizodidae (tree size 36)

Scaphellinidae (tree size 2)

Costatoriidae