Malacostraca - Decapoda - Axiidae
Synonyms: Calocarididae Ortmann 1891, Eiconaxiidae Sakai and Ohta 1989, Eiconaxiopsididae Sakai 2011, Neoaxiidae Sakai 2017
Parent taxon: Axiidea according to C.E. Schweitzer et al. 2023
See also Feldmann and Schweitzer 2019, Karasawa and Fudouji 2000, Kensley and Williams 1990, Rathbun 1918 and Schweitzer et al. 2010
Sister taxa: Anacalliacidae, Axioidea, Callianassidae, Callianassoidea, Callianideidae, Callianopsidae, Callichiridae, Ctenochelidae, Eucalliacidae, Mesostylus, Micheleidae, Paracalliacidae, Psammionassa, Strahlaxiidae
Subtaxa: Acanthaxius Aperiopyxis Aptaxiopsis Axiopsis Axius Calocarides Campanaxius Coralaxiinae Cretaxiopsis Devonoaxius Dorphinaxius Etallonia Hinecaris Huxleycaris Libanoaxius Magila Megachela Paraxiopsis Protaxius Reschia Schlueteria Schluteria
Type: Axius
Ecology: infaunal detritivore
Distribution:
• Quaternary of Panama (1 collection)
• Pliocene of Belgium (1), the Netherlands (1)
• Miocene of Panama (1)
• Oligocene of Denmark (2), Japan (1)
• Eocene of Italy (1), United States (1: South Carolina)
• Cretaceous of Colombia (1), France (1), Italy (1), Lebanon (2), Spain (2), United States (5: Texas, Washington)
• Jurassic of France (12), Germany (3), Japan (2), Portugal (1), Romania (1), the United Kingdom (2)
• Devonian of United States (1: Ohio)
Total: 43 collections including 53 occurrences