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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.
[30] [32] Unlike manatees, the dugong lacks nails on its flippers, which are only 15% of a dugong's body length. [33] Manatees generally glide at speeds of 8 kilometres per hour (5 mph), but can reach speeds of 24 kilometres per hour (15 mph) in short bursts. [34] The body is fusiform to reduce drag in the water.
Paenungulata (from Latin paene "almost" + ungulātus "having hoofs") is a clade of "sub-ungulates", which groups three extant mammal orders: Proboscidea (including elephants), Sirenia (sea cows, including dugongs and manatees), and Hyracoidea . At least two more possible orders are known only as fossils, namely Embrithopoda and Desmostylia. [a]
Games. Health. Home & Garden. Lighter Side. Medicare. News. ... Manatee relative, 700 new species now facing extinction ... 1 / 3. Climate Threatened Species List. FILE - Serena, a dugong, swims ...
The manatee's tail is paddle-shaped, and is the clearest visible difference between manatees and dugongs; a dugong tail is fluked, similar in shape to that of a whale. The manatee is unusual among mammals in having just six cervical vertebrae , [ 11 ] a number that may be due to mutations in the homeotic genes . [ 12 ]
Bears receiver Keenan Allen said that issues ran deeper than that and went back to the offseason. “Too nice of a guy," Allen said, according to Kalyn Kahler of ESPN, via Dan Wiederer of the ...
The 23-year-old Wagner is averaging a career-high 24.4 points, 5.7 assists and 5.6 rebounds for the Magic through 25 games. Including the 30 points he scored in Friday's loss, he has a nine-game ...
Genus Dugong. Dugong, Dugong dugon; Genus Hydrodamalis †Steller's sea cow, Hydrodamalis gigas; Family Trichechidae. Genus Trichechus West Indian manatee, Trichechus manatus; African manatee, Trichechus senegalensis; Amazonian manatee, Trichechus inunguis; Dwarf manatee, Trichecus pygmaeus – validity questionable