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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
Platyzoa
Platyhelminthes (Flatworms)
Monogenea (Monogenean)
Monopisthocotylea
Dactylogyridea

Calceostomatidae (18681233)

Children (6 direct children, 18 direct and indirect children):

Paracalceostoma (tree size 1)

Bychowskya (tree size 1)

Calceostoma (tree size 6)

Ktariella (tree size 1)

Calceostomella (tree size 2)

Dicrumenia (tree size 1)