| http://www.w3.org/ns/prov#value | - Global Range: (20,000-200,000 square km (about 8000-80,000 square miles)) Range encompasses rivers, estuaries, and coastal areas of subtropical and tropical areas of northern South America, West Indies/Caribbean region (but apparently never very abundant in the Greater Antilles, except perhaps Cuba, Lefebvre 1989), Gulf of Mexico (now mainly western and southwestern portions), and southeastern Nor
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