Noun family plethodontidae has 1 sense
  1. Plethodontidae, family Plethodontidae - small mostly terrestrial New World salamanders having neither lungs nor gills as adults
    --1 is a kind of amphibian family
    --1 is a member of Urodella, order Urodella, Caudata, order Caudata
    --1 has members:
     Plethodon, genus Plethodon; lungless salamander, plethodont; Desmograthus, genus Desmograthus; Aneides, genus Aneides; Batrachoseps, genus Batrachoseps; Hydromantes, genus Hydromantes
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