''Rhinopteraspis'' is an extinct genus of pteraspidid heterostracan

agnathan Agnatha (; ) or jawless fish is a paraphyletic infraphylum of animals in the subphylum Vertebrata of the phylum Chordata, characterized by the lack of jaws. The group consists of both living ( cyclostomes such as hagfishes and lampreys) and ext ...

References

Pteraspidiformes genera Devonian jawless fish Early Devonian fish Early Devonian fish of Europe {{Pteraspidomorphi-stub