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A coelacanth is a type of fish in the Sarcopterygii, the lobe-finned fishes.

The class is made up of lobe-finned fish, for example, the lungfish and coelacanths.

The largest lobe-finned fish of all time was Hyneria at up to 5 m (16 ft).

Koharalepis is a prehistoric lobe-finned fish which lived during the Devonian period.

They are a sister group to the Coelacanths and to the early lobe-finned fish which gave rise to the tetrapods.

It belongs to a group called lobe-finned fishes, which were very common back in the Devonian.

Externally, there are several characteristics that distinguish the coelacanth from other lobe-finned fish.

Coelacanths are large, plump, lobe-finned fish that grow up to 1.8 meters.

Other lobe-finned fish found in fossils from the Devonian period:

The Rhipidistia are the lobe-finned fish, and include the ancestors of the tetrapods.