Subfamily Atoportuninae Stevcic 2005 (swimming crab)
Crustacea - Decapoda - Portunidae
PaleoDB taxon number: 224882
Parent taxon: Portunidae according to C. E. Schweitzer et al. 2010
Sister taxa: Arenaeinae, Caphyrinae, Carcinides, Carupinae, Enoplonotus, Eocharybdis, Lessinithalamita, Lupinae, Lupocyclinae, Necronectinae, Neptocarcinus, Neptunus, Pheophthalmus, Podopthalminae, Portuninae, Psammocarcininae, Thalamitinae
Subtaxa: Atoportunus, Euronectes, Laleonectes
Ecology: carnivore