Species described (10):
- Centropomus gabbi Fowler, 1906, synonym
- Centropomus heringi Fowler, 1906, synonym
- Cichlasoma gordonsmithi Fowler, 1936, synonym
- Harengula peruana Fowler & Bean, 1923, synonym
- Hyporhamphus salvatoris Fowler & Bean, 1823, synonym
- Opsanus vandeuseni Fowler, 1939, synonym
- Poecilia orri Fowler, 1943 (Poecilia), valid
- Poecilia vetiprovidentiae Fowler, 1950, synonym
- Profundulus scapularis Fowler, 1936, synonym
- Roeboides bouchellei Fowler, 1923 (Roeboides), valid
Genera described (1):
- Scartomyzon Fowler, 1913, synonym