Usage examples (6)

• This so called heterocercal tail is only known to exist, as a permanent adult feature, in the sturgeons of to-day.
• Paddlefish are not closely related to sharks, but they do share some common characteristics including a skeleton primarily composed of cartilage, and a deeply forked,...
• Their tails, too, though both heterocercal, were diverse in their type.
• These are the even-lobed, or homocercal (Fig. 68), and the uneven-lobed, or heterocercal (Fig. 69).