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Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders. The Society for Marine Mammalogy, an international scientific society, maintains a list of valid species and subspecies, most recently updated in October 2015. [1] This list follows the Society's taxonomy regarding and subspecies.
The term "marine mammal" encompasses all mammals whose survival depends entirely or almost entirely on the oceans, which have also evolved several specialized aquatic traits. In addition to the above, several other mammals have a great dependency on the sea without having become so anatomically specialized, otherwise known as "quasi-marine ...
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.
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The family Balaenidae, the right whales, contains two genera and four species. All right whales have no ventral grooves; a distinctive head shape with a strongly arched, narrow rostrum, bowed lower jaw; lower lips that enfold the sides and front of the rostrum; and long, narrow, elastic baleen plates (up to nine times longer than wide) with fine baleen fringes.
Encyclopedia of Marine Mammals. San Diego: Academic Press. pp. 1083–1086. ISBN 978-0125513401. Berta A (2012). "5. Diversity, Evolution, and Adaptation of Sirenians and Other Marine Mammals". Return to the Sea: The Life and Evolutionary Times of Marine Mammals. Berkeley: University of California Press. pp. 127– 149. ISBN 978-0-520-27057-2.
Print/export Download as PDF; Printable version; In other projects ... Prehistoric marine mammals (4 C, 2 P) R. Prehistoric marine reptiles (6 C, 15 P) T.
It includes Individual mammals that can also be found in the parent category, or in diffusing subcategories of the parent. Subcategories This category has the following 3 subcategories, out of 3 total.