1. Tardigrade
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  3. Biology
  4. Which of the following organisms is known to be a jawless vertebrate?

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

NTA AbhyasNTA Abhyas 2020Animal Kingdom

Solution:

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.