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Osteichthiid Skeleton

By Biofauna25
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Now we get into bilateral skeletons.
Osteichthiids have two major body cavities: one for the digestive track, and one for the respiro-circulatory system.
I didn't include protichthiids because they technically don't have a skeleton, just a set of hard-tissue crescent-shaped structures that serve as muscle attatchment sites.
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