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Question

Armoured fishes belongs to class

A
Placodermi
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B
Osteichytes
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C
Elasmobranchii
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D
Chondrichthyes
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Solution

The correct option is A Placodermi
Placodermi is an extinct class of armoured fish. They are known from fossils dating from the late Silurian to the end of the Devonian. Their head and thorax were covered by articulated armoured plates and the other parts of their bodies had no such protection, or were protected only by scales. Hence, option A is correct.

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