Tetheopsis

{{Short description|Extinct genus of mammals}}

{{Automatic taxobox

| fossil_range = Eocene, {{Fossil range|40|35}}

| image = Tetheopsis ingens.jpg

| image_caption = Tetheopsis ingens

| taxon = Tetheopsis

| authority = Cope, 1885

| subdivision_ranks = Species{{cite web | url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=40605 | title=Fossilworks: Tetheopsis }}

| subdivision = * T. stenops (Marsh, 1885)

• T. ingens (Marsh, 1885)
• T. speirianus (Osborn, 1881)

| synonyms = * Tinoceras stenops (Marsh, 1885)

• Tinoceras ingens (Marsh, 1885)
• Loxolophodon speirianus (Osborn, 1881)

}}

Tetheopsis is an extinct genus of dinocerates.