Newly Described Fossil From Wyoming Sheds Light on When Frogs and Toads Lost Their Teeth
A fragment of upper jaw fossil from the Early Cretaceous is among the oldest examples of a toothless amphibian in the fossil record
The odd structure is distinct from anything seen in living animals and likely created a colorful display
Carlos Savignano is part of a dedicated group of FossiLab volunteers preparing Smithsonian fossils for display and future research
The museum’s groundbreaking Hall of Human Origins centers around the adaptations that set early humans apart
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