Dichograptus

{{Short description|Genus of marine worm-like animals}}

{{Italic title}}

{{Taxobox

| fossil_range = Ordovician ~{{fossil range|478|463}}

| regnum = Animalia

| phylum = Hemichordata

| classis = Graptolithina

| ordo = Graptoloidea

| familia = Dichograptidae

| genus = Dichograptus

| genus_authority = Salter, 1863 {{cite journal |author=R. A. Cooper & R. A. Fortey |year=1982 |title=The Ordovician graptolites of Spitsbergen |journal=Bulletin of the British Museum (Natural History), Geology |volume=36 |pages=[https://archive.org/details/bulletinofbritis36geollond/page/1 1]–171 |url=https://archive.org/details/bulletinofbritis36geollond}}

| type_species = Dichograptus sedgwicki Salter, 1863

}}

Dichograptus (meaning two-branched writing or double-line marks) is an extinct genus of graptolites from the Ordovician.{{cite book |title=Dinosaurs to Dodos: An Encyclopedia of Extinct Animals |author=Don Lessem & Jan Sovak |isbn=0-590-31684-2 |publisher=Scholastic |year=1999}}

Dichograptus probably fed on plankton. Individual animals were very tiny, only growing a few millimeters in length (1/8 of an inch).