''Enhydra macrodonta'', the large-toothed sea otter, is an extinct mustelid known from the middle
Pleistocene
The Pleistocene ( , often referred to as the '' Ice age'') is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed ...
in
California
California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...
.
Description
The large-toothed sea otter is a close relative of the living
sea otter
The sea otter (''Enhydra lutris'') is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. Adult sea otters typically weigh between , making them the heaviest members of the weasel family, but among the sma ...
. As its name implies, it is distinguishable from the modern sea otter by its larger, more robust teeth.
Fossils of the large-toothed sea otter are dated to between 700 and 500 ka.
References
Otters
Prehistoric mustelids
Pleistocene carnivorans
Prehistoric mammals of North America
Pleistocene mammals of North America
Mustelidae
Pleistocene extinctions
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