| Click | Citation |
1
|
172
| Anderson, J. D. 1967. Ambystoma opacum (Gravenhorst). Marbled salamander. Catalogue of American Amphibians and Reptiles 46.1–2. |
2
|
10571
| Enge, K. M. 2019. Ambystoma opacum (Gravenhorst 1807), marbled salamander. Pages 77–78 in K. L. Krysko, K. M. Enge, and P. E. Moler, editors. Amphibians and reptiles of Florida. University of Florida Press, Gainesville, Florida, USA. |
3
|
7383
| Scott, D. E. 2005. Ambystoma opacum (Gravenhort, 1807); marbled salamander. Pages 627–632 in M. Lannoo, editor. Amphibian declines: the conservation status of United States species. University of California Press, Los Angeles, California, USA. |
4
|
5814
| Tihen, J. A. 1969. Ambystoma. Mole salamanders. Catalogue of American Amphibians and Reptiles 75.1–4. |