Look up: Vieraella

1. 
   Vieraella
   Vieraella herbsti is the earliest-known true frog. It lived during the Early Jurassic period , about 188-213 million years ago. Vieraella was about 1 inch (3 cm) long. It was very similar to modern-day frogs, including its long, powerful hind legs, very short backbone, a fork-shaped hip girdle, and latticework skull. Fossils of Vieraella have been found in Argentina, South America. Order Anura.
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2. 
   Vieraella
   `Vieraella` is an extinct genus of frog from the Jurassic period. It was about 3 cm long. `Vieraella` was the first true frog, as the older `Triadobatrachus` still featured many primitive characteristics. Its anatomy was highly similar to that of modern frogs. Category:Prehistoric amphibians Category:Jurassic animals
   Found on http://en.wikipedia.org/wiki/Vieraella