Family Heterenchelyidae Regan 1912

Heterenchelidae Regan 1912d:379, 382 [ref. 31893] (family) Heterenchelys [stem corrected to Heterenchely- by Jordan 1923a:133 [ref. 2421], confirmed by Myers and Storey 1956:17 [ref. 32831], by Nelson 1976:83 [ref. 32838], by McCosker 1977:16 [ref. 6836], by Smith 1989:48 [ref. 13285] and by Nelson 2006:116 [ref. 32486]]