Sparganophilidae Michaelsen, 1918

This family native to North America has only one genus ( Sparganophilus), with 12 species and 2 subspecies (Reynolds 1980, 2008). At least one species, Sparganophilus tamesis Benham ( Sparganophilus eiseni Smith, is a junior synonym of S. tamesis; see Rota et al. 2016), is cosmopolitan, and found mainly in limicole habitats, throughout the USA (within and outside of its native range), Mexico (Ikeda et al. 2020), Canada (Reynolds 2022) and in several European countries including Germany, France, England, Switzerland, Italy and Spain (Rota et al. 2018a; Bouché & Qiu 1998).