Plethodon References Plethodon amphibian genus Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Caudata/ Annotated classification…Plethodontinae, with 7 genera (including Plethodon and Desmognathus in North America and Hydromantes in western North America and the central Mediterranean region) and about 105 species.Family Proteidae (olms and mud puppies) Read More…Plethodontinae, with 7 genera (including Plethodon and Desmognathus in North America and Hydromantes in western North America and the central Mediterranean region) and about 105 species.Family Proteidae (olms and mud puppies) Read More