Swäämkraaben
Swäämkraaben (Portunidae) san en famile faan Kraaben (Crustaceae) uun det order faan a Tjiinbiankraaben (Decapoda).

Sköölen 
Achelous – Arenaeus – Atoportunus – Callinectes – Caphyra – Carcinus – Carupa – Carupella – Catoptrus – Cavoportunus – Charybdis – Coelocarcinus – Cronius – Cycloachelous – Echinolatus – Euphylax – Gonioinfradens – Kume – Laleonectes – Libystes – Liocarcinus – Lissocarcinus – Lupella – Lupocyclus – Monomia – Nectocarcinus – Neptunus – Ovalipes – Pele – Podophthalmus – Portumnus – Portunus – Richerellus – Sanquerus – Scylla – Thalamita – Thalamitoides – Xaiva

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Kraaben