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
Hydroidolina (Hydroid subclass)
Leptomedusae (Leptothecata)
Blackfordiidae

Blackfordia (4003122)

Children (3 direct children, 3 direct and indirect children):

Blackfordia manhattensis

Blackfordia polytentaculata

Blackfordia virginica