Malacostraca - Decapoda - Geryonidae

Parent taxon: Geryonidae according to R. Manning and L. Holthuis 1989

Sister taxon: Archaeogeryon

Subtaxa: Chaceon heimertingensis, Chaceon helmstedtense, Chaceon matsushitai, Chaceon miocenicus, Chaceon ottnangensis, Chaceon peruvianus

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Ecology: epifaunal carnivore