Aureophycus

{{Short description|Genus of algae}}

{{Speciesbox

| grandparent_authority = H. Kawai & L.M. Ridgway, 2013{{Cite journal |last1=Kawai |first1=Hiroshi |last2=Hanyuda |first2=Takeaki |last3=Ridgway |first3=L. Michelle |last4=Holser |first4=Karin |date=22 August 2013 |title=Ancestral reproductive structure in basal kelp Aureophycus aleuticus |journal=Scientific Reports |language=en |volume=3 |issue=1 |pages=2491 |doi=10.1038/srep02491 |pmid=23966101 |issn=2045-2322|pmc=3749548 |bibcode=2013NatSR...3.2491K }}

| genus = Aureophycus

| parent_authority = H. Kawai, T. Hanyuda, M. Lindeberg & S.C. Lindstrom, 2008

| species = aleuticus

| authority = H. Kawai, T. Hanyuda, M. Lindeberg & S.C. Lindstrom, 2008{{Cite journal |last1=Kawai |first1=Hiroshi |last2=Hanyuda |first2=Takeaki |last3=Lindeberg |first3=Mandy |last4=Lindstrom |first4=Sandra C. |date=August 2008 |title=Morphology and molecular phylogeny of Aureophycus aleuticus gen. et sp. nov. (Laminariales, Phaeophyceae) from the Aleutian Islands |url=https://onlinelibrary.wiley.com/doi/10.1111/j.1529-8817.2008.00548.x |journal=Journal of Phycology |language=en |volume=44 |issue=4 |pages=1013–1021 |doi=10.1111/j.1529-8817.2008.00548.x |pmid=27041620 |issn=0022-3646|url-access=subscription }}

}}

Aureophycus is a genus of kelp native to the waters of Karamil Island in the Aleutians, comprising a single species Aureophycus aleuticus, formally described in 2008. Each frond is {{cvt|2|m}} long by {{cvt|60|cm}} wide with a strong yellow vein running along each edge (central vein lacking).{{cite book | last1= Wheeler | first1= Quinten |last2= Pennak | first2= Sara | date= 2013 | title= What on Earth? |location= New York | publisher= The Pinguin Group | pages= 76–77| isbn= 978-0-452-29814-9 }} A 2013 study found the genus to be basal to Laminariales.