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Cyclostomes (e.g., lampreys and hagfish) lack paired fins, unlike most vertebrates. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
Cyclostomes (e.g., lampreys and hagfish) lack paired fins, unlike most vertebrates.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Arthropoda
Cyclostomes, such as lampreys and hagfish, lack jaws and have a circular, sucking mouth.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Ctenophora and Platyhelminthes
Cyclostomes (e.g., lampreys and hagfish) are jawless fishes that act as ectoparasites on other fishes.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Porifera and Cnidaria
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