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monodontidae การใช้

"monodontidae" แปล  
ประโยคมือถือ
  • Although the Snubfin dolphins share similar external features with the Monodontidae ( narwhal ),
  • It is one of two living species of whale in the Monodontidae Systema Naturae " in 1758.
  • Together, these two species comprise the only extant members of the family Monodontidae, sometimes referred to as the " white whales ".
  • Delphinidae is a family within the superfamily Delphinoidea, which also includes the porpoises ( Phocoenidae ) and the Monodontidae ( beluga whale and narwhal ).
  • It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus " Delphinapterus ".
  • Placed Odobenocetopssidae in a large clade together with Phocoenidae ( porpoises ), Monodontidae ( narwhal and beluga ), and Albireonidae ( extinct porpoise-like ).
  • The speed of sound in the melon is lowest in the Delphinidae, Phocoenidae and Monodontidae, intermediate in the Ziphiidae, and highest in the Physeteridae and Platanistidae.
  • The Monodontidae are distinguished by medium size ( at around in length ), forehead melons ( round sensory organs ), short snouts, and the absence of a true dorsal fin.
  • The cetacean family "'Monodontidae "'comprises two unusual whale species, the narwhal, in which the male has a long tusk, and the dorsal fin-lacking, pure white beluga whale.
  • The Monodontidae lack dorsal fins, which have been replaced by tough, fibrous ridges just behind the midpoints of their bodies and are probably an adaptation to swimming under ice, as both do in their Arctic habitat.
  • The melons of Delphinidae ( dolphins ) and Physeteroidea ( sperm whales ) have a significant amount of wax ester, whereas those of Phocoenidae ( porpoises ) and Monodontidae ( narwhals and beluga whales ) contain little or no wax.
  • "' Whales "'are a widely distributed and diverse group of fully aquatic families : Balaenopteridae ( the rorquals ), Balaenidae ( right whales ), Cetotheriidae ( the pygmy right whale ), Eschrichtiidae ( the gray whale ), Monodontidae ( belugas and narwhals ), Physeteridae ( the sperm whale ), Kogiidae ( the dwarf and pygmy sperm whale ), and Ziphiidae ( the beaked whales ).
  • The infraorder comprises the families Balaenidae ( right and bowhead whales ), Balaenoptera ( rorquals ), Eschrichtiidae ( the gray whale ), Delphinidae ( oceanic dolphins ), Monodontidae ( Arctic whales ), Phocoenidae ( porpoises ), Physeteridae ( sperm whales ), Kogiidae ( lesser sperm whales ), Platanistidae ( Old World river dolphins ), Iniidae ( New World river dolphins ), Pontoporiidae ( the La plata dolphin ) and Ziphidae ( beaked whales ).