Patrognathus

{{Short description|Extinct genus of jawless fishes}}

{{Italic title}}

{{one source |date=April 2024}}

{{taxobox

| fossil_range = {{fossil range|Tournaisian}}

| regnum = Animalia

| phylum = Chordata

| classis = †Conodonta

| unranked_ordo = †Prioniodontida

| ordo = †Ozarkodinida

| superfamilia = †Polygnathacea

| familia = †Cavusgnathidae

| genus = †Patrognathus

| genus_authority = Rhodes, Austin & Druce, 1969British Avonian (Carboniferous) conodont faunas, and their value in local and intercontinental correlation. FHT Rhodes, RL Austin, EC Druce, 1969, British Museum (Natural History)

| subdivision_ranks = Species

| subdivision =

• †Patrognathus andersoni
• †Patrognathus crassus
• †Patrognathus variabilis

| synonyms =

}}

Patrognathus is an extinct genus of conodonts.