Oxynoticeras

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

{{Automatic taxobox

| fossil_range = {{fossil range|Sinemurian|ref={{cite journal|last=Sepkoski |first=Jack |title=A compendium of fossil marine animal genera (Cephalopoda entry) | journal=Bulletins of American Paleontology |volume=363 |pages=1–560 | year=2002 | url=http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class |accessdate=2017-10-18 |url-status=dead | archiveurl=https://web.archive.org/web/20160225225905/http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class | archivedate=2016-02-25 }}}}

| image = Ammonite Oxynoticeras oxynotum.jpg

| image_caption = Oxynoticeras oxynotum from Lower Lias rocks at Bishops Cleeve in Gloucestershire, England, UK

| taxon = Oxynoticeras

| authority = Hyatt, 1875

| type_species = Ammonites oxynotus

| type_species_authority = Quenstedt, 1843

| subdivision_ranks = Species

| subdivision =

• Oxynoticeras oxynotum (Quenstedt, 1843)
• Oxynoticeras subinvolutum Spath, 1925
• Oxynoticeras soemanni Dumortier, 1867
• Oxynoticeras lymense Wright, 1881
• Oxynoticeras choffati Pompeckj, 1906

| synonyms =

• Oxynotoceras Buckman, 1894

}}

Oxynoticeras is an extinct genus of ammonite from the Early Jurassic of Europe and North America.* The Elements of Palaeontology by Rhona M. Black This genus is characterized by its smooth shell, with almost invisible undulations on the flank, and a sharp keel.Ludvigsen, Rolf & Beard, Graham. 1997. West Coast Fossils: A Guide to the Ancient Life of Vancouver Island. pg. 83

Synonym Oxynotoceras was created by Buckman as misspelling.M. K. Howarth 2013. Treatise on Invertebrate Paleontology, Part L, Revised, Volume 3B, Chapter 4: Psiloceratoidea, Eoderoceratoidea, Hildoceratoidea.