Sea cows definitions

Sea cows

1) Dugongs 2) Dugongs or manatees 3) Manatees
Found on https://www.crosswordclues.com/clue/sea-cows

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Sea cows

See selenide mineral for info. These selenide minerals are placed in the sulfide mineral classification of Nickel-Strunz. ...
Found on http://en.wikipedia.org/wiki/Sea_cows

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