Oppelia

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

{{Automatic taxobox

| fossil_range = {{fossil range|Aalenian|Bajocian|ref=}}

| image = Oppelia con aptico.JPG

| image_caption = Oppelia with paired aptychi in place

| taxon = Oppelia

| authority = Waagen, 1869

| subdivision_ranks = Species

| subdivision_ref =

| subdivision =

• Oppelia mamertensis Waagen, 1869
• Oppelia paronai Trauth, 1922
• Oppelia plicatella Gemmellaro, 1877
• Oppelia propefusca Gregorio, 1886
• Oppelia subcostaria Oppel, 1862
• Oppelia yeovilensis Rollier, 1911

}}

Oppelia is a haploceratoid ammonite and type genus for the Oppeliidae that lived during the Middle Jurassic.{{cite web

| last = Sepkoski| first = Jack| title= Sepkoski's Online Genus Database| year = 2002| url = http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class| accessdate = 2014-05-28 }} Shells of Oppelia are involute with a small to moderate size umbilicus, bluntly rounded to sharp venter, and deeply impressed dorsum. Sides are generally smooth but may be variously ribbed on the outer flanks. Similar and related genera include Oxycerites and Oecotraustes.