What Is the Difference in Fish Skeletal Structure from the Most Primitive to More Advanced Types?

Answer

There are many differences in the skeletal structures of fish from the most primitive to the more advanced types, such as the bony plates on the head of the shark and sturgeon.
Q&A Related to "What Is the Difference in Fish Skeletal Structure..."
Primitive fish (class Chondrichthyes) will have a cartilagenous skeleton. More modern species (class Osteichthyes) will have a bony skeleton.
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primitive fish are ones that have more skeleton weres advanced types tend to be more of muscles.
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There are three different fish structure types: jawless fish, cartilaginous fish, and bony fish. The first fish, hagfishes, appeared over 2 billion years ago and ...
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