The lamprey (Petromyzon) is included in the same category of:
Hag fish (Myxine)
Lung fish (Neoceratodus)
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Petromyzon (Lamprey) and Myxine (Hagfish) both belong to the class Cyclostomata.
Cyclostomes are jawless vertebrates. They are characterized by having an elongated eel-like body, circular mouth, slimy skin and are scaleless.
So, the correct answer is B
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Sharks and lampreys are not true fish because their skeletons are made of cartilage rather than bone.
Study the following organism, their character and group.
A. Petromyzon - Fish like but without paired fins – Agnatha
B. Amphibia - First tetrapoda - Amniota
C. Ascidia – Solitary – Urochordata
D. Amphioxus – Fish like burrowing - Urochordata
Which of the above two are correct?
Fish production include shellfish and finned true fish.
The Lamprey (Petromyzon) is included in the same taxonomic class as the:
Match the following columns and select the correct option: