Traits Taxon list
Rigauxia gracilis Dareste de la Chavanne, 1912 †Promathildia gracilis (Dareste de la Chavanne, 1912) †Rigauxia hiltermanni Walther, 1951 †unassessed )Rigauxia lombricalis (A. d'Orbigny, 1851) †Rigauxia varusensis Cossmann, 1909 †unassessed )Streptacis bogradi Dockery, 1993 †Streptacis complanata R. D. Hoare, Sturgeon & J. R. Anderson, 1997 †Streptacis ingens R. D. Hoare, Sturgeon & J. R. Anderson, 1997 †Streptacis nalivkini Mazaev, 2019 †Streptacis orientalis Nützel, 2012 †Streptacis permiana (Beede, 1907) †Streptacis piercei Erwin, 1988 †Streptacis subgracilis (Nechaev, 1894) †Streptacis volgensis Mazaev, 2020 †Streptacis whitfieldi F. B. Meek, 1871 †
