Seacows which inhabit only warmer water except giant extinct species like Hydrodamalis gigas of courseand have also only isolated hairs remaining.    From Wordnik.com.  [Maiacetus, Part 2] Reference

Species like the Steller sea cow (Hydrodamalis gigas), in the Bering Sea, and the great auk (Pinguinus impennis), in the North Atlantic, were hunted for food by early western explorers and whalers, and became extinct in the 18th and 19th centuries, respectively.    From Wordnik.com.  [Human impacts on the biodiversity of the Arctic] Reference

It was the overexploitation of wildlife during the period of arctic exploration and whaling in the 18th and 19th centuries that led to the extinction of the Steller sea cow (Hydrodamalis gigas) in the Bering Sea and the great auk (Pinguinus impennis) in the North Atlantic, and drastic stock reductions and local extirpation of several other terrestrial and marine mammals and birds.    From Wordnik.com.  [Management and conservation of wildlife in the Arctic] Reference

( '' Hydrodamalis gigas ''), in the Bering Sea, and the great auk ( '' Pinguinus impennis ''), in the North Atlantic, were hunted for food by early western explorers and whalers, and became extinct in the 18th and 19th centuries, respectively.    From Wordnik.com.  [Featured Articles - Encyclopedia of Earth] Reference

The big project on British dinosaurs trundles on, I’ve been writing lately about the giant Gallotia lizards of the Canary Islands, and an alleged recent manatee sighting off the coast of Washington State has caused me to become involved in a discussion on manatee mobility (go here for more on this subject) and the extinction date of Steller’s sea cow Hydrodamalis gigas.    From Wordnik.com.  [Archive 2006-09-01] Reference

Hydrodamalis gigas).    From Wordnik.com.  [Scientific American] Reference

) and Steller sea cow (Hydrodamalis gigas) did become extinct.    From Wordnik.com.  [Featured Articles - Encyclopedia of Earth] Reference