Kermit the Frog meet Kermitops gratus, the most recent ancient amphibian to be identified after examination of a tiny fossilized skull that once sat unstudied in the Smithsonian fossil collection ...

The early fossil record of amphibians and their ancestors is largely fragmentary, which makes it difficult to understand how frogs, salamanders and their kin originated. Adding relatives like ...

It belongs to a lineage believed to have given rise to the three living branches of amphibians – frogs, salamanders and limbless caecilians. While only the skull – measuring around 1.2 inches ...

Note: Fossil skull of Kermitops; USNM PAL 407585, Department of Paleobiology, Smithsonian Institution. Note: Kermit the Frog puppet; 1994.0037.01, Gift of Jim Henson Productions. From the ...