Sanchez Lab                                        
http://planaria.neuro.utah.edu/

Bryant and Gardiner Lab                     
http://darwin.bio.uci.edu/~mrjc/index.html

Amphibian Limb Regeneration 
http://www.uoguelph.ca/zoology/devobio/210labs/regen1.html

David Wake Lab (Amphibians)
http://ib.berkeley.edu/labs/wake/Research.html

Caudata (Tailed Amphibians)               
http://www.caudata.org