Names where authority is Hay

Class: Amphibia
- Order: Anura Fischer von Waldheim, 1813
  - Synonym: Bufoniformes — Hay, 1930
  - Synonym: Raniformes — Hay, 1930
  - Family: Hylidae
    - Subfamily: Hylinae
      - Genus: Pseudacris
        
        Species: Pseudacris feriarum (Baird, 1854)
        
        Synonym: Chorophilus nigritus feriarum — Hay, 1892
        
        Species: Pseudacris triseriata (Wied-Neuwied, 1838)
        
        Synonym: Chorophilus nigritus triseriatus — Hay, 1892
- Order: Caudata
  - Family: Ambystomatidae
    - Genus: Ambystoma
      - Species: Ambystoma maculatum (Shaw, 1802)
        
        Synonym: Ambystoma punctatum — Hay, 1892
      - Species: Ambystoma talpoideum (Holbrook, 1838)
        
        Synonym: Ambystoma talpoideum — Hay, 1892
      - Species: Ambystoma tigrinum (Green, 1825)
        
        Synonym: Amblystoma copeianum Hay, 1885
  - Family: Amphiumidae Gray, 1825
    - Synonym: Amphiumoidae — Hay, 1930
  - Family: Plethodontidae
    - Subfamily: Hemidactyliinae Hallowell, 1856
      - Synonym: Thoriinae — Hay, 1892
      - Genus: Eurycea
        
        Species: Eurycea bislineata (Green, 1818)
        
        Synonym: Spelerpes bislineatus — Hay, 1892
        
        Species: Eurycea lucifuga Rafinesque, 1822
        
        Synonym: Spelerpes maculicaudus — Hay, 1891
  - Family: Salamandridae Goldfuss, 1820
    - Synonym: Salamandroidae — Hay, 1930
  - Family: Sirenidae Gray, 1825
    - Synonym: Sirenoidae — Hay, 1930

Amphibian Species of the World 5.6, an Online Reference

Names where authority is Hay