Which of the following organisms is known to be a jawless vertebrate?

Question

Which of the following organisms is known to be a jawless vertebrate? (A) Petromyzon (B) Scoliodon (C) Pristis (D) Trygon

Tardigrade Admin · Accepted Answer

Petromyzon (Lamprey) belongs to the class Cyclostomata of phylum Chordata. Scoliodon (Dog fish), Pristis (Saw fish) and Trygon (Sting ray) belong to the class Chondricthyes of phylum Chordata.

Q. Which of the following organisms is known to be a jawless vertebrate?

Petromyzon

Scoliodon

Pristis

Trygon

Petromyzon (Lamprey) belongs to the class Cyclostomata of phylum Chordata. Scoliodon (Dog fish), Pristis (Saw fish) and Trygon (Sting ray) belong to the class Chondricthyes of phylum Chordata.