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Question
Petromyzon is included under
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Solution
The correct option is B Agnatha
The sea lamprey (Petromyzon marinus) is a parasitic lamprey found in the northern Atlantic Ocean along shores of Europe and North America, in the western Mediterranean sea and in the shores of the Great Lakes. It belongs to superclass Agnatha (It is a superclass of jawless fishes). It is brown, gray, or black on its back and white or gray on the underside. The lamprey uses its suction cup-like mouth to attach itself to the skin of a fish and rasps away tissue with its sharp, probing tongue and keratinized teeth.So, the correct answer is option B.
The sea lamprey (Petromyzon marinus) is a parasitic lamprey found in the northern Atlantic Ocean along shores of Europe and North America, in the western Mediterranean sea and in the shores of the Great Lakes. It belongs to superclass Agnatha (It is a superclass of jawless fishes). It is brown, gray, or black on its back and white or gray on the underside. The lamprey uses its suction cup-like mouth to attach itself to the skin of a fish and rasps away tissue with its sharp, probing tongue and keratinized teeth.
So, the correct answer is option B.
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