Beerichthys is an extinct genus of prehistoric marine ray-finned fish.

It contains a single species, Beerichthys ingens, that was a member of the Ypresian London Clay fauna of lower Eocene England.

When originally described in 1966, B. ingens was placed in a monotypic family, "Beerichthyidae," within Iniomi.

Later, more (also incomplete) skulls were studied by Colin Patterson, who determined that the fish was a louvar, an assessment supported with further CT scanning of its fossils.

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