Southeast Pacific: known from three seamounts on the Sala y Gomez Ridge, between Chile and Easter Island.
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Amaoka, K. and N.V. Parin 1990 A new flounder, Chascanopsetta megagnatha, from the Sala-y-Gomez Submarine Ridge, Eastern Pacific Ocean (Teleostei: Pleuronectiformes: Bothidae). Copeia 1990(3):717-722. (Ref. 10737)
http://www.fishbase.org/references/FBRefSummary.php?id=10737&speccode=24580
