''Byronia'' is a genus of theca-bearing

cnidarian Cnidaria ( ) is a phylum under kingdom Animalia containing over 11,000 species of aquatic invertebrates found both in fresh water, freshwater and marine environments (predominantly the latter), including jellyfish, hydroid (zoology), hydroids, ...

s with a close affinity to the coronatid

scyphozoa The Scyphozoa are an exclusively marine class of the phylum Cnidaria, referred to as the true jellyfish (or "true jellies"). The class name Scyphozoa comes from the Greek word '' skyphos'' (), denoting a kind of drinking cup and alluding to the ...

ns.

References

External links

* Scyphozoa Paleozoic cnidarians Prehistoric cnidarian genera Fossil taxa described in 1899 Paleozoic life of British Columbia {{paleo-scyphozoa-stub