cetomorphaとは何ですか？cetomorphaはcetomorphaです
cetomorphaとは何ですか？
- A series of whalelike mammals, including the Sirenia, or herbivorous cetaceans, as they were formerly called (the manatee, halicore, dugong, etc.), with the Cete or Cetacea proper, as the whales, porpoises, dolphins, etc.--