1. Inclosed, or nearly inclosed, by land.
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... The lamprey of the Glakes is known as the Petromyzon marinus. Known to be very destructive to the Great lakes area. Interesting to note; these landlocked lampreys were first introduced to Lake Erie via Niagra falls around 1913. Here is one link, and yes they have a notochord. http://www.fishbase.org/summary/speciessummary.php?id=2530 ...
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