Malacostraca - Decapoda

Parent taxon: Brachyura according to C. E. Schweitzer and R. M. Feldmann 2009

Sister taxa: Bellioidea, Brachyrhyncha, Bythograeoidea, Cancroidea, Componocancroidea, Cryptochiroidea, Cyclodorippoidea, Dairoidea, Dakoticancroidea, Dromiacea, Dromioidea, Eubrachyura, Gecarcinucoidea, Goneplacoidea, Grapsoidea, Homolodromioidea, Homoloidea, Konidromitoidea, Leucosioidea, Marocarcinidae, Mcrocarcinidae, Ocypodoidea, Oxystomata, Palicoidea, Parthenopoidea, Pilumnoidea, Pilumnoidoidea, Pinnotheroidea, Pisidae, Portunoidea, Potamoidea, Potamonautidae, Pseudothelphusoidea, Retroplumoidea, Rioarribia, Trichodactyloidea

Subtaxa: Glaessneropsidae, Lecythocaridae, Nodoprosopidae

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Ecology: epifaunal carnivore