The many names under which the mud-puppies have been described or cited have caused some confusion. At least 33 'common" names and 29 scientific names have been given them at one time or another, not considering the names that have been applied to the species described since 1924.
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Harris, Joseph P. Jr.
"How the Mud-Puppies Were Named,"
Field and Laboratory: Vol. 22
Available at: https://scholar.smu.edu/fieldandlab/vol22/iss1/2