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The dugong (/ ˈ d (j) uː ɡ ɒ ŋ /; Dugong dugon) is a marine mammal.It is one of four living species of the order Sirenia, which also includes three species of manatees.It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century.
The extant Sirenia comprise two distinct families: Dugongidae (the dugong and the now extinct Steller's sea cow) and Trichechidae (manatees, namely the Amazonian manatee, West Indian manatee, and West African manatee) with a total of four species. [2] The Protosirenidae (Eocene sirenians) and Prorastomidae (terrestrial sirenians) families are ...
The foot of a manatee. Manatees are believed to share common ancestry with elephants.. Sirenia is the order of placental mammals which comprises modern "sea cows" (manatees and the Dugong) and their extinct relatives.
A rare fossil has provided a snapshot of what was an exceptionally unlucky day for a prehistoric sea cow. The now-extinct species of dugong, a manatee-like marine mammal, was swimming in the sea ...
Manatees (/ ˈ m æ n ə t iː z /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West ...
Steller's sea cow is a member of the family Dugongidae, the sole surviving member of which, and thus Steller's sea cow's closest living relative, is the dugong (Dugong dugon). [30] Steller's sea cow was a direct descendant of the Cuesta sea cow (H. cuestae), [6] an extinct tropical sea cow that lived off the coast of western North America ...
FILE - Serena, a dugong, swims at the Toba Aquarium in Toba, Japan on Sept. 5, 2012. Populations of the vulnerable species of marine mammal, numerous species of abalone and a type of Caribbean ...
The West Indian manatee is the largest living member of the sirenians (order Sirenia), a group of large aquatic mammals that includes the dugong, other manatees, and the extinct Steller's sea cow. Manatees are herbivores, have developed vocal communication abilities, and are covered in highly sensitive whiskers (called vibrissae) that are used ...