Lonchocephalus

{{Taxobox

|name = Lonchocephalus

|fossil_range = Dresbachian{{cite journal

|last=Sepkoski

|first=Jack

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

|journal=Bulletins of American Paleontology

|volume=364

|page=560

|year=2002

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

|accessdate=2008-01-12

|url-status=dead

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

|archivedate=2006-09-05

}}

|regnum = Animalia

|phylum = Arthropoda

|classis = Trilobita

|ordo = Ptychopariida

|superfamilia = Ptychoparioidea

|familia = Lonchocephalidae

|genus = Lonchocephalus

}}

Lonchocephalus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the Dresbachian faunal stage of the late Cambrian Period.