11. They are zoologically considered to be whales, that is, " Cetacea ". 12. Whippomorpha is the crown clade containing Cetacea ( whales, dolphins, etc . ) and hippopotamuses. 13. Short-finned pilot whales : http : / / www . cetacea . org / sfpilot . htm 14. The inner core comes into direct contact with the tympanoperiotic complex ( functionally similar to the Cetacea ). 15. "Artiocetus " belongs to the order Cetacea , which includes whales, dolphins and porpoises. 16. _Whales, dolphins and porpoises belong to the order Cetacea , which means carnivorous and aquatic in Latin. 17. A typical taxobox is shown at right ( it belongs on the top right of the page Cetacea ). 18. "' Whale "'is the common name for various marine mammals of the order Cetacea . 19. The term " whale " is sometimes used interchangeably with dolphins and porpoises, acting as a synonym for Cetacea . 20. Rodents account for roughly one quarter of all species, followed closely by mammals from the Cetacea and Carnivora families.
