Parent taxon: Axiidea according to T. Komai et al. 2019
See also Feldmann et al. 2003, Feldmann et al. 2008, Schweitzer and Feldmann 2001, Schweitzer and Feldmann 2002, Schweitzer et al. 2004, Schweitzer et al. 2006, Schweitzer et al. 2010, Schweitzer et al. 2005, Todd and Collins 2005 and Vega et al. 2001
Sister taxa: Anacalliacidae, Axiidae, Axioidea, Callianassidae, Callianideidae, Callianopsidae, Callichiridae, Ctenochelidae, Eucalliacidae, Mesostylus, Micheleidae, Paracalliacidae, Psammionassa, Strahlaxiidae
Subtaxa: none
Ecology: infaunal detritivore
Distribution:
• Pliocene of New Zealand (1 collection)
• Miocene of Chile (1)
• Oligocene of United States (1: Puerto Rico)
• Eocene of Mexico (1)
• Cretaceous of Puerto Rico (1)
Total: 5 collections each including a single occurrence