High Quality Content by WIKIPEDIA articles! Panderichthys is a 90–130 cm long fish from the Devonian period 397 million years ago, (Frasnian epoch) of Latvia. It is named after the german-baltic palaeontologist Christian Heinrich Pander. It has a large tetrapod-like head. Panderichthys exhibits transitional features between lobe-finned fishes and early tetrapods such as Acanthostega, and is considered the most crownward stem fish-tetrapod with paired fins. The evolution from fish to land dwelling tetrapods required many changes in anatomy and physiology, most importantly the legs and their supporting structure, the girdles. Well preserved fossils of Panderichthys clearly show these structures in transition, making Panderichthys a rare and important find in the history of life. One of the major changes in the appendicular skeleton during the transition from water to land was a shift in locomotory dominance from pectoral to pelvic appendages. Panderichthys is evidence of this because...

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