Parent taxon: Decapoda according to T. A. Hegna et al. 2020
Sister taxa: Aegla, Anaglyptus, Angustidontidae, Archithelphusa, Aulacopodia, Brachyuri, Brome, Calapa, Carcinocarcinus, Carcinoplacidae, Charassocarcinus, Chiiengphoherus, Corellicarcinus, Cyclodorippoida, Dalletastacus, Dendrobranchiata, Gebia, Glabropilumus, Hecia, Heterochelida, Homelys, Imocaris, Ischnodactylus dentatus, Leucosidae, Lupeites, Mascarananda, Meyerella, Mitrax, Natantia, Nephropsidae, Oedisoma, Palaxius, Parafavreina, Pleocyemata, Psammograpsus, Tetrachelus, Tiche, Trichopaltarion, Wulaicarcinus
Subtaxa: Palaeopalaemonidae Palaeopalaemonoidea
Ecology: epifaunal carnivore
Distribution:
• Devonian of United States (3: Ohio collections)
Total: 3 collections each including a single occurrence