+**Rhinopteraspis** is an extinct genus of armored agnathan, a type of primitive [Jawless Fish](/wiki/jawless_fish) that swam the ancient seas during the early to mid-[Devonian](/wiki/devonian) period. Its distinctive, shield-like head armor was often sculpted with intricate patterns, offering protection as it likely fed along the seabed.
+## See also
+- [Paleozoic](/wiki/paleozoic)
+- [Placoderm](/wiki/placoderm)
+- [Vertebrate](/wiki/vertebrate)
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