Subfamily Xeinostominae Tavares 1992 (crab)
Malacostraca - Decapoda - Cyclodorippidae
Alternative spelling: Xeinostomatinae
Parent taxon: Cyclodorippidae according to C. E. Schweitzer et al. 2017
See also Ng et al. 2009, Schweitzer 2001 and Schweitzer et al. 2010
Sister taxon: Cyclodorippinae
Subtaxa: Ketamia Xeinostoma
Ecology: epifaunal carnivore
Distribution: found only at Neah Bay (Eocene of Washington)