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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
Sipuncula (Sipunculid worms)
Phascolosomatidea
Aspidosiphoniformes

Aspidosiphonidae (2341972)

Children (6 direct children, 41 direct and indirect children):

Lithacrosiphon (tree size 4)

Aspidosiphon (tree size 30)

Cloeosiphon (tree size 1)

Pseudaspidosiphon

Centrosiphon

Paraspidosiphon