There are loads of salamanders that don’t necessarily fit into our idea of a salamander. The amphiuma is one example. There are three species of one-, two- and three-toed salamanders and all are fully aquatic. Depending on the species they can be between 33 and 110 cm, but their legs stay T-rex style. They inhabit the southeastern United States, and although relatively common they are sadly understudied.
Here is a video to learn more:
Even though the legs are vestigial, the amphiuma is still able to traverse across land.