Megalichthys

{{Short description|Extinct genus of fishes}}

{{Automatic taxobox

| image = Megalichthys hibberti.jpg

| image_caption = Restoration of M. hibberti

| fossil_range = {{fossilrange|365.0|298.9}}Devonian - Carboniferous

| display_parents = 3

| taxon = Megalichthys

| authority = Agassiz, 1839

| type_species = Megalichthys hibberti

| type_species_authority = Agassiz, 1839

| subdivision_ranks = Species

| subdivision =

• M. hibberti Agassiz, 1839
• M. pygmaeus Traquair, 1879
• M. laticeps Traquair, 1884
• M. syndentolaminaris Borgen and Nakrem, 2016
• M. mullisoni Downs and Daeschler, 2020

}}

Megalichthys is a genus of prehistoric lobe-finned fish which lived during the Devonian and Carboniferous periods.{{Cite web|title=Megalichthys|url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=209470&is_real_user=1|access-date=2021-10-11|website=paleobiodb.org}} It is the type genus of the family Megalichthyidae. The type species is M. hibberti.{{cite journal|last1=Wellburn|first1=E. D.|title=On the Genus Megalichthys, Agassiz: Its History, Systematic Position, and Structure|journal=Proceedings of the Yorkshire Geological Society|date=1900|volume=14|issue=1|pages=52–71|doi=10.1144/pygs.14.1.52|bibcode=1900PYGS...14...52W |url=https://zenodo.org/record/1448555}} The species M. mullisoni, named for fossil preparator C Frederick Mullison, is known from the Catskill Formation of Pennsylvania.{{Cite journal|author1=Jason P. Downs |author2=Edward B. Daeschler |year=2020 |title=A new species of Megalichthys (Sarcopterygii, Megalichthyidae) from the Upper Devonian (Famennian) of Pennsylvania, U.S.A., and a report on the cosmine-covered osteolepiform fossils of the Catskill Formation |journal=Journal of Vertebrate Paleontology |volume=40 |issue=2 |pages=e1774771 |doi=10.1080/02724634.2020.1774771 |bibcode=2020JVPal..40E4771D |s2cid=222210660 }}