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The first and presently only record of a ponyfish is described from the Lower Oligocene of the Grube Unterfeld (“Frauenweiler”) clay pit at Rauenberg (S Germany) and compared with other extant and fossil representatives of the Leiognathidae. It differs from all extant (and probably also fossil) members of this family in the coalescence of the ascending and articular processes of the premaxilla and...
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