{{Short description|Genus of marine worm-like animals}} {{Italic title}} {{Automatic taxobox | fossil_range = Ordovician<br>~{{fossil range|478|455}} | image = Graptolite tetragraptus.jpg | image_caption = ''Tetragraptus fruticosus'' | image2 = Tetragraptus approximatus (Nicholson).jpg | image2_caption = ''Tetragraptus approximatus'' | taxon =Tetragraptus | authority = Salter, 1863 | type_species = | type_species_authority = | subdivision_ranks = | subdivision = * ''T. akzharensis'' * ''T. approximatus'' * ''T. fruticosus'' * ''T. insuetus'' | synonyms_ref = | synonyms = }}
'''''Tetragraptus''''' is an extinct genus of graptolites from the Ordovician period.
== Species == Source:<ref name=FWTetragraptus/> * ''T. akzharensis'' * ''T. approximatus'' * ''T. fruticosus'' * ''T. insuetus''
== Distribution == Fossils of ''Tetragraptus'' have been found in Argentina, Australia, Bolivia, Canada (Quebec, Yukon, Newfoundland and Labrador and Northwest Territories), Chile, China, Colombia (near Caño Cristales, Meta), the Czech Republic, France, Morocco, New Zealand, Norway, the Russian Federation, Spain, Sweden, the United Kingdom, and the United States (Alaska, Idaho, Nevada, Utah).<ref name=FWTetragraptus>[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=33778 ''Tetragraptus''] at Fossilworks.org</ref>
== References == {{Portal|Paleontology}} {{Reflist}}
== Further reading == * {{cite book |title=Dinosaurs to Dodos: An Encyclopedia of Extinct Animals |author=Don Lessem & Jan Sovak |publisher=Scholastic |year=1999 |isbn=978-0-590-31684-2}}
{{Taxonbar|from=Q2153291}}
Category:Graptoloidea Category:Graptolite genera Category:Ordovician animals of Africa Category:Ordovician animals of Asia Category:Ordovician animals of Europe Category:Ordovician animals of North America Category:Ordovician Canada Category:Ordovician United States Category:Ordovician animals of South America Category:Ordovician Argentina Category:Ordovician Bolivia Category:Ordovician Chile Category:Ordovician Colombia Category:Fossils of Colombia Category:Fossil taxa described in 1863 Category:Paleozoic life of Newfoundland and Labrador Category:Paleozoic life of the Northwest Territories Category:Paleozoic life of Quebec
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