One of the earliest creatures with teeth were conodonts, an eel-like creature that first appeared around ... an oral biologist at the University of Otago in New Zealand who has studied cetacean teeth.

They have “stout” bodies, “short” snouts and “sharp” teeth. A photo shows the new species “plain brown” coloring. Smaller eels have a yellow hue toward the end of their body ...

Photo by Chien-Hsiang Lin and Hsin-Wei Liu from the Biodiversity Research Center, Academia Sinica A snake eel with a fleshy mustache and sharp teeth caught in northeastern Taiwan is a new species ...