Leptosphinctes

{{Short description|Genus of molluscs (fossil)}}

{{italic title}}

{{Taxobox

|name = Leptosphinctes

|fossil_range = {{fossil range|Bathonian|ref={{cite journal

|last=Sepkoski

|first=Jack

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

|journal=Bulletins of American Paleontology

|volume=364

|page=560

|year=2002

|url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=231&rank=class

|accessdate=2008-04-05

|url-status=dead

|archiveurl=https://web.archive.org/web/20080507014300/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=231&rank=class

|archivedate=2008-05-07

}}}}

|image = Leptosphinctes microconch Jurassic Dorset.jpg

|image_caption = Leptosphinctes sp., microconch, Dorset, England, Middle Jurassic.

|regnum = Animalia

|phylum = Mollusca

|classis = Cephalopoda

|subclassis = Ammonoidea

|ordo =

|superfamilia =

|genus = Leptosphinctes

}}

Leptosphinctes is an extinct genus from a well-known class of fossil cephalopods, the ammonites. It lived during the Jurassic Period, which lasted from approximately 200 to 145 million years ago.