diphycercal การใช้

• They have powerful diphycercal tails that are long and paddle-shaped.
• Most Palaeozoic fishes had a diphycercal heterocercal tail.
• The body is covered with rod-shaped scales arranged in chevrons, and the tail is probably pad-shaped and diphycercal.
• (D )-"'Diphycercal "'means the vertebrae extend to the tip of the tail and the tail is symmetrical and expanded ( as in the bichir, lungfish, lamprey and coelacanth ).