Answer: sirenian

AnswerCrossword Clue
SIRENIANSea cow.
SIRENIANMarine mammal allied to whale.
SIRENIANSea cow or dugong.
SIRENIANManatee or dugong
SIRENIANDugong or manatee
sirenianany of an order of aquatic mammals
sirenianaquatic, herbivorous mammal of the order Sirenia, including the manatee and dugong