Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Ecdysozoa (Ecdysozoan)
Panarthropoda
Tactopoda
Arthropoda (Arthropod)
Mandibulata
Tracheata
Uniramia
Pancrustacea
Crustacea (Crustaceans)
Maxillopoda (Maxillopod)
Thecostraca
Barnacle (Cirripedia)
Thoracica
Sessilia
Balanomorpha
Chthamaloidea
Chthamalidae

Tetrachthamalus (18586359)

Children (2 direct children, 2 direct and indirect children):

Tetrachthamalus oblitteratus

Tetrachthamalus sinensis