Placoid scales is the characteristic feature of class

Question

Placoid scales is the characteristic feature of class (A) Cyclostomata (B) Chondrichthyes (C) Osteichthyes (D) Amphibia

Tardigrade Admin · Accepted Answer

Chondrichthyes are cartilaginous, exclusively marine fishes. Their exoskeleton consists of placoid scales.

Q. Placoid scales is the characteristic feature of class