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Trichechidae is a family of sirenians that includes all living manatees and several extinct genera.

Systematics

Trichechidae
*Miosireninae
**Anomotherium
***Anomotherium langewieschei
**Miosiren
***Miosiren canhami
***Miosiren kocki
*Trichechinae
**Trichechus
***Trichechus inunguis

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