• Acanthochelys macrocephala 

      Rhodin, Anders G. J.; Mittermeier, Russell A.; Ernst, Carl H. (Society for the Study of Amphibians and Reptiles, 1990)
    • Adelophis, A. copei, A. foxi 

      Rossman, Douglas A.; Wallach, Van (Society for the Study of Amphibians and Reptiles, 1987)
    • Alligator mississippiensis 

      Ross, Charles A.; Ernst, Carl H. (Society for the Study of Amphibians and Reptiles, 1994)
    • Allophrynidae, Allophryne, A. ruthveni 

      Caldwell, Janalee P.; Hoogmoed, Marinus S. (Society for the Study of Amphibians and Reptiles, 1998)
    • Alsophis anomalus 

      Powell, Robert; Henderson, Robert W (Society for the Study of Amphibians and Reptiles, 1998)
    • Alsophis antiguae 

      Henderson, Robert W.; Powell, Robert; Daltry, Jennifer C.; Day, Mark L. (Society for the Study of Amphibians and Reptiles, 1996)
    • Alsophis ater 

      Henderson, Robert W.; Powell, Robert (Society for the Study of Amphibians and Reptiles, 1996)
    • Alsophis melanichnus 

      Powell, Robert; Henderson, Robert W (Society for the Study of Amphibians and Reptiles, 1998)
    • Alsophis rijgersmaei 

      Townsend, Josiah H.; Powell, Robert; Henderson, Robert W. (Society for the Study of Amphibians and Reptiles, 2000)
    • Alsophis rufiventris 

      Maley, Abigail J.; Savit, Aaron Z.; Heinz, Heather M.; Powell, Robert; Henderson, Robert W. (Society for the Study of Amphibians and Reptiles, 2006)
    • Alsophis sanctaecrucis 

      Henderson, Robert W.; Powell, Robert (Society for the Study of Amphibians and Reptiles, 1996)
    • Amastridium, A. veliferum 

      Wilson, Larry David (Society for the Study of Amphibians and Reptiles, 1988)
    • Ambystoma 

      Tihen, Joseph A. (American Society of Ichthyologists and Herpetologists, 1969)
    • Ambystoma annulatum 

      Anderson, James D. (American Society of Ichthyologists and Herpetologists, 1965)
    • Ambystoma barbouri 

      Kraus, Fred (Society for the Study of Amphibians and Reptiles, 1996)
    • Ambystoma cingulatum 

      Martof, Bernard S. (American Society of Ichthyologists and Herpetologists, 1968)
    • Ambystoma dumerilii 

      Brandon, Ronald A. (Society for the Study of Amphibians and Reptiles, 1992)
    • Ambystoma gracile 

      Snyder, Richard C (American Society of Ichthyologists and Herpetologists, 1963)
    • Ambystoma jeffersonianum 

      Uzzell, Thomas (American Society of Ichthyologists and Herpetologists, 1967)
    • Ambystoma laterale 

      Uzzell, Thomas (American Society of Ichthyologists and Herpetologists, 1967)