- Neophasis burti Bray & Gibson, 1991
- Neophasis oculata (Levinsen, 1881) Miller, 1941
- Neophasis pusilla Stafford, 1904
- Stephanostomum baccatum (Nicoll, 1907) Manter, 1934
- Stephanostomum californicum Manter & Van Cleave, 1951
- Stephanostomum microstephanum Manter, 1934 (uncertain > taxon inquirendum)
- Stephanostomum tenue (Linton, 1898) Linton, 1934
- Stephanostomum tristephanum McFarlane, 1936 (uncertain > taxon inquirendum)