Science Daily·3 min read·medium
New giant salamander species discovered in 3.5-million-year-old fossils
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Researchers have identified a new genus and species of giant salamander, Limnospondylus ajimuensis, from 3.5-million-year-old fossils found in Japan. The discovery provides new insights into the evolutionary history of the Cryptobranchidae family.
In the late 1990s, scientists working in the Ajimu area of Oita prefecture, Japan, uncovered three fossilized vertebrae from a giant salamander in the Cryptobranchidae family. The bones were preserved in the Tsubusugawa Formation, a layer of ancient lake sediments from the Pliocene dating to about 3.5 million years ago.
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