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)
Malacostraca (Malacostracans)
Eumalacostraca
Eucarida
Decapoda (Decapod)
Pleocyemata
Brachyura (True crabs)
Portunoidea
Portunidae (Swimming crabs)

Polybius (1990508)

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

Polybius henslowii

Polybius maculatus

Polybius mcleayi

Polybius pusillus

Polybius zariquieyi