Amphiuma means (Two-toed Amphiuma)
- Photos, distribution map, and facts about physical traits, habitat, and behavior.
- http://www.npwrc.usgs.gov/resource/herps/amphibid/species/ampmeans.htm

Amphiuma tridactylum (Three-toed Amphiuma)
- Species account includes photo and facts on ecology and life history.
- http://elib.cs.berkeley.edu/cgi-bin/amphib_query?where-genus=Amphiuma&where-species=tridactylum

Amphiuma pholeter (One-toed Amphiuma)
- Conservation status, physical traits, habitat, life history, and threats.
- http://elib.cs.berkeley.edu/cgi-bin/amphib_query?where-genus=Amphiuma&where-species=pholeter