Question

How many animals in the following are Gnathostomates?
Myxine, Laligo, Pristis, Salamander, Calotes, Laxelets.

• A. 2
• B. 1
• C. 5
• D. 3

Answer 1

The correct option is B 1

• Gnathostomata consists of species of fishes which have jaws (jawed vertebrates).
  
• Myxine is a genus of hagfishes which are jawless (superclass- Agnatha).
• Loligo is a genus of squids belonging to the phylum Mollusca.
  
• Pristis is a genus of sawfish which is cartilaginous and belongs to the superclass Gnathostomata.
  
• Salamanders are animals having a slender body, blunt snout and short limbs which belong to the class- Amphibia.
  
• Calotes is a genus of lizards belonging to the class- Amphibia.
  
• Lancelets are fish-like marine chordate animals which are also known as amphioxi.
  
• So, the correct answer is 1.