Etymology: from the Latin "neo" and new "pygoscelis" name of the kind of penguin. The name "dentate" refers to the toothed beak of the species. Cousins ​​of the 21st century: The penguin Adelie, Pygoscelis adeliae. Excellent diver, this is the most abundant penguins. We pushed to the "extreme" its marine lifestyle imagining a half-armed and half-body ichthyosaur Distribution: Southern Hemisphere, Russell Sea. Size: 5 meters long for males and 4 meters longs for females.