Which of the following organisms is not ureotelic?

Q. Which of the following organisms is not ureotelic?
A. Bony fishes
B. Mammals
C. Terrestrial amphibians
D. Marine fishes
Answer: Bony fishes

A. Bony fishes
B. Mammals
C. Terrestrial amphibians
D. Marine fishes
Answer: Bony fishes