Cranium of the Common Mudpuppy (Dorsal View) Small 260×320 Medium 520×640 Large 832×1024 Download Tiff Original 1950×2400 | (1.3 MB) Description The Common Mudpuppy (Necturus maculosus) is a species of aquatic salamander found throughout the northeastern United States, and parts of Canada. Pictured here is the dorsal view of the cranium. Keywords Common Mudpuppy, cranium, dorsal view, necturus maculosus, salamander Galleries Amphibian Anatomy Source: Encyclopaedia Britannica (11th ed., vol. 3) (New York, NY: The Encyclopaedia Britannica Company, 1910)