The Order Cetacea is a marine mammal order that includes porpoises, dolphins, and whales.

Authors

• Person: Not available Organization: Britannica
  biological classification - Students | Britannica Kids | Homework Help

Sources

• biological classification - Students | Britannica Kids | Homework Help kids.britannica.com Britannica via serper

Referenced by nodes (3)

• whales concept
• marine mammals concept
• dolphins concept