更多heterocercal例句

1. The tail is asymmetrical (heterocercal), and numerous placoid scales (dermal denticles) are embedded in the skin.
2. The tail is slender and heterocercal, the caudal fin deeply forked.
3. The slender body is covered with small scales and ends in a heterocercal tail.
4. Jugular plates are present, and the tail is usually distinctly heterocercal.
5. In Dipterus there are no marginal teeth, and the tail is heterocercal, not diphycercal, as in the other Dipnoans generally.