Parent taxon: Caridea according to C.E. Schweitzer et al. 2023
See also Feldmann et al. 2019 and Schweitzer et al. 2010
Sister taxa: Acanthinopus, Alcmonacaris, Atyoidea, Bavaricaris, Blaculla, Bresilioidea, Buergerocaris, Campylonotoidea, Crangonoidea, Ctenodusa, Galatheacaridoidea, Gampsurus, Leiothorax, Nematocarcinoidea, Oplophoroidea, Palaemonoidea, Pandaloidea, Parvocaris, Pasiphaeidae, Pasiphaeoidea, Physetocarididae, Physetocaridoidea, Pinnacaris, Pleopteryxoidea, Procaridoidea, Processidae, Processoidea, Psalidopodidae, Psalidopodoidea, Schernfeldia, Solteria, Stylodactyloidea, Venzia
Subtaxa: Alpheidae Barbouriidae Bythocarididae Hippolytidae Lysmatidae Merguiidae Ogyrididae Thoridae
Type: Alpheus
Ecology: epifaunal carnivore
Distribution:
• Oligocene of United States (1: Mississippi collection)
• Cretaceous of Lebanon (1)
Total: 2 collections each including a single occurrence