''Rhinopteraspis'' is an extinct genus of

pteraspidid Pteraspididae is an extinct family of heterostracan vertebrates. It is an Early Devonian-aged family that contains the stereotypical, torpedo-shaped pteraspidids, such as the type genus, ''Pteraspis'', and its close relatives ''Errivaspis'' a ...

heterostracan

agnathan Agnatha (, Ancient Greek 'without jaws') is an infraphylum of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both present ( cyclostomes) and extinct (conodonts and ostracoderms) species. Among recent animals, cyclostome ...

References

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