Subfamily Atoportuninae Stevcic 2005 (swimming crab)
Malacostraca - Decapoda - Portunidae
PaleoDB taxon number: 224882
Parent taxon: Portunidae according to C. E. Schweitzer et al. 2010
Sister taxa: Callinectes, Caphyrinae, Carupinae, Enoplonotus, Euphylax, Lupocyclinae, Necronectinae, Neptunus, Podophthalminae, Portuninae, Proterocarcinus, Rakosia, Thalamitinae
Subtaxa: Euronectes, Laleonectes
Ecology: carnivore