Described as
Derotanypus Roback, 1971a: p. 91
Type species: Anatopynia (Macropelopia) aclines Sublette, 1964a: p. 104 (not Palaearctic)
Note: Considered a subgenus of Psectrotanypus by Ashe and Cranston, 1990a.
Synonymy
Merotanypus Roback, 1971a: p. 94 (as subgenus); Type species: Tanypus alaskensis Malloch, 1919