Manticoceras

{{Short description|Extinct genus of molluscs}}

{{Italic title}}

{{Taxobox

| name = Manticoceras

| image = Manticoceras NMNH.jpg

| image_width = 250px

| image_caption = Manticoceras evolutum fossil, National Museum of Natural History

| fossil_range = {{fossil range|Devonian}}

| regnum = Animalia

| phylum = Mollusca

| classis = Cephalopoda

| subclassis = Ammonoidea

| ordo = Ammonitida

| familia = Gephuroceratidae

| genus = Manticoceras

| genus_authority = Hyatt 1884

}}

Manticoceras is a genus of ammonites included in the family Gephuroceratidae. These fast-moving nektonic carnivores lived in the Devonian period, from 382.4 to 376.1 Ma.