Family Portunidae Rafinesque 1815 (swimming crab)
PaleoDB taxon number: 58206
Synonym: Gatuniidae Rathbun 1918 (taxon 149141)
Parent taxon: Portunoidea according to C. E. Schweitzer et al. 2010
Sister taxa: Carcineretidae, Carcinidae, Catoptridae, Geryonidae, Icriocarcinidae, Lithophylacidae, Longusorbiidae, Macropipidae, Ovalipidae, Pirimelidae, Psammocarcinidae, Thiidae
Subtaxa: Arenaeinae, Atoportuninae, Caphyrinae, Carcinides, Carupinae, Enoplonotus, Eocharybdis, Lessinithalamita, Lupinae, Lupocyclinae, Necronectinae, Neptocarcinus, Neptunus, Pheophthalmus, Podopthalminae, Portuninae, Psammocarcininae, Thalamitinae
Ecology: carnivore