16 lines
365 B
Markdown
16 lines
365 B
Markdown
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# Osteichthyes
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- Member of the [[Gnathostomata]] in the [[Vertebrata]]
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- True bone
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- Had swim bladders
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- [[fresh-water|Fresh water]] has a lower buoyant density than
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[[sea-water|sea water]]
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- Needed some way to offset the weight of the bone structures
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## Taxonomy
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- [[Osteichthyes]]
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- [[Actinopterygii]]
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- [[Sarcopterygii]]
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- [[Tetrapodomorpha]]
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