Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Coelenterata
Cnidaria (Cnidarians)
Medusozoa
Hydrozoa
Trachylinae

Trachymedusae (135666)

Children (5 direct children, 126 direct and indirect children):

Rhopalonematidae (tree size 72)

Petasidae (tree size 10)

Ptychogastriidae (tree size 10)

Geryoniidae (tree size 14)

Halicreatidae (tree size 15)