Brachyura
Brachyura (Graece βραχύ 'brevis' + ουρά 'cauda') sunt infraordo Crustaceorum decapodum, cuius speciebus sunt brevissima cauda, vel abdomen imminutum omninoque sub thorace celatum.

Sectiones

 Sectio Dromiacea
 Dakoticancroidea †
 Dromioidea 
 Eocarcinoidea †
 Glaessneropsoidea †
 Homolodromioidea
 Homoloidea
 Sectio Raninoida
 Sectio Cyclodorippoida
 Sectio Eubrachyura 
 Subsectio Heterotremata
 Aethroidea
 Bellioidea 
 Bythograeoidea 
 Calappoidea
 Cancroidea 
 Carpilioidea
 Cheiragonoidea
 Componocancroidea †
 Corystoidea
 Dairoidea
 Dorippoidea 
 Eriphioidea
 Gecarcinucoidea
 Goneplacoidea
 Hexapodoidea
 Leucosioidea
 Majoidea
Oregoniidae
 Orithyioidea
 Palicoidea
 Parthenopoidea
 Pilumnoidea
 Portunoidea
 Potamoidea
 Pseudothelphusoidea
 Pseudozioidea
 Retroplumoidea
 Trapezioidea
 Trichodactyloidea
 Xanthoidea
 Subsectio Thoracotremata 
 Cryptochiroidea
 Grapsoidea
 Ocypodoidea
 Pinnotheroidea

Notae 

Globonautes macropus
Scylla serrata
Vellodius

Nexus externi 

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Taxa Linnaei
Taxa 1758
Infraordines animalium