Fossil cast of fin from juvenile Sauripterus taylori

A fossil cast of a fin from a juvenile Sauripterus taylori, a late Devonian (roughly 375 million years ago) fish with the primitive features of tetrapods. [Research supported by National Science Foundation grants EAR 0207721, EAR 0544093, EAR 0208377 and EAR 0544565.] Learn more ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video