A large aquatic plant-eating mammal of the order Sirenia, such as a manatee or dugong.
- The remaining sirenians, are seriously threatened by hunting, habitat degradation, and in the case of manatees, collisions with boats in the shallow coastal areas they prefer.
- Modern sirenians are large, docile, aquatic herbivores.
- To understand isotopic variation in Florida sirenians, we selected four teeth for serial sampling.
Relating to or denoting sirenians.
- This may have supported a strong, fleshy lip with which Thalassocnus grazed seagrass or kelp, much like manatees and their sirenian relatives.
- The hyrax - elephant - sirenian core is well-accepted on morphological grounds.
- Corystosiren is a late-surviving dugong at a time when sirenian fossils are exceedingly rare in Florida.
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