Stenorhachis

{{Short description|Extinct genus of trilobites}}

{{Automatic taxobox

|fossil_range = Arenig

|taxon = Stenorhachis

|authority = Hintze & Jaanusson, 1956

}}

Stenorhachis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago.{{cite journal

|last=Sepkoski

|first=Jack

|author-link=

|title=A compendium of fossil marine animal genera (Trilobita entry)

|journal=Bulletins of American Paleontology

|volume=364

|issue=

|page=560

|year=2002

|url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class

|doi=

|id=

|access-date=2008-01-12

|url-status=dead

|archive-url=https://web.archive.org/web/20060905162524/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class

|archive-date=September 5, 2006

}}