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- Gnatusuchus abstract "Gnatusuchus is an extinct genus of caiman represented by the type species Gnatusuchus pebasensis from the Middle Miocene of Peru. Gnatusuchus lived about 13 million years ago (Ma) in a large wetland system called the Pebas mega-wetlands that covered over one million square kilometers of what is now the Amazon Basin (the modern basin had not yet developed at that time and instead of draining east-to-west across Amazonia and into the Atlantic Ocean, river systems drained northward through the wetlands and into the Caribbean Sea). Gnatusuchus likely fed on bivalves in oxygen-poor marsh and swamp environments, using blunt teeth to crush their thick shells. Gnatusuchus has a short, rounded snout and shovel-shaped lower jaw, which may have been adaptations for feeding on these bivalves. The teeth at the back of the jaws are large and globular-shaped whereas the front teeth are more peg-like. Gnatusuchus has only 11 pairs of teeth in its lower jaws, far fewer than in most other crocodylians. Based on the size of the skull material, the estimated total body length of Gnatusuchus is 148.9 to 167.7 centimetres (4.89 to 5.50 ft).G. pebasensis was named in 2015 on the basis of a nearly complete skull and several lower jaws from the Pebas Formation near Iquitos in Peru. It lived alongside six other species of crocodylians, including two other caimans with crushing dentitions: Kuttanacaiman iquitosensis and Caiman wannlangstoni. The genus name comes from the Quechua word ñatu meaning "small nose" and the species name comes from an Amazonian village called Pebas. A phylogenetic analysis published alongside its initial description placed Gnatusuchus as the most basal member of the clade Caimaninae. Two other caimanines with crushing dentitions, Kuttanacaiman and Globidentosuchus, were also found to be basal caimanines, suggesting that a specialized crushing dentition was ancestral to the group. Later caimanines, including most modern species, have more generalized dentitions, although a few derived species such as C. wannlangstoni seem to have reacquired crushing teeth. Below is a cladogram from that analysis with crushing-type species in bold:".
- Gnatusuchus wikiPageID "46924181".
- Gnatusuchus wikiPageLength "5263".
- Gnatusuchus wikiPageOutDegree "46".
- Gnatusuchus wikiPageRevisionID "679472920".
- Gnatusuchus wikiPageWikiLink 2015_in_paleontology.
- Gnatusuchus wikiPageWikiLink Albertochampsa.
- Gnatusuchus wikiPageWikiLink Alligatorinae.
- Gnatusuchus wikiPageWikiLink Amazon_Basin.
- Gnatusuchus wikiPageWikiLink Amazon_basin.
- Gnatusuchus wikiPageWikiLink Amazon_rainforest.
- Gnatusuchus wikiPageWikiLink Amazonia.
- Gnatusuchus wikiPageWikiLink Atlantic_Ocean.
- Gnatusuchus wikiPageWikiLink Basal_(phylogenetics).
- Gnatusuchus wikiPageWikiLink Black_caiman.
- Gnatusuchus wikiPageWikiLink Brachychampsa.
- Gnatusuchus wikiPageWikiLink Broad-snouted_caiman.
- Gnatusuchus wikiPageWikiLink Caiman.
- Gnatusuchus wikiPageWikiLink Caiman_brevirostris.
- Gnatusuchus wikiPageWikiLink Caiman_latirostris.
- Gnatusuchus wikiPageWikiLink Caiman_wannlangstoni.
- Gnatusuchus wikiPageWikiLink Caimaninae.
- Gnatusuchus wikiPageWikiLink Caribbean_Sea.
- Gnatusuchus wikiPageWikiLink Category:Fossil_taxa_described_in_2015.
- Gnatusuchus wikiPageWikiLink Category:Miocene_crocodylomorpha.
- Gnatusuchus wikiPageWikiLink Centenariosuchus.
- Gnatusuchus wikiPageWikiLink Centenariosuchus_gilmorei.
- Gnatusuchus wikiPageWikiLink Clade.
- Gnatusuchus wikiPageWikiLink Cladogram.
- Gnatusuchus wikiPageWikiLink Crocodilia.
- Gnatusuchus wikiPageWikiLink Crocodylian.
- Gnatusuchus wikiPageWikiLink Eocaiman.
- Gnatusuchus wikiPageWikiLink Eocaiman_cavernensis.
- Gnatusuchus wikiPageWikiLink Genus.
- Gnatusuchus wikiPageWikiLink Globidentosuchus.
- Gnatusuchus wikiPageWikiLink Globidentosuchus_brachyrostris.
- Gnatusuchus wikiPageWikiLink Globidonta.
- Gnatusuchus wikiPageWikiLink Iquitos.
- Gnatusuchus wikiPageWikiLink Jacarea.
- Gnatusuchus wikiPageWikiLink Kuttanacaiman.
- Gnatusuchus wikiPageWikiLink Kuttanacaiman_iquitosensis.
- Gnatusuchus wikiPageWikiLink La_Venta_(Colombia).
- Gnatusuchus wikiPageWikiLink Melanosuchus_fisheri.
- Gnatusuchus wikiPageWikiLink Melanosuchus_niger.
- Gnatusuchus wikiPageWikiLink Middle_Miocene.
- Gnatusuchus wikiPageWikiLink Mourasuchus.
- Gnatusuchus wikiPageWikiLink Necrosuchus.
- Gnatusuchus wikiPageWikiLink Necrosuchus_ionensis.
- Gnatusuchus wikiPageWikiLink Paleosuchus.
- Gnatusuchus wikiPageWikiLink Pebas_Formation.
- Gnatusuchus wikiPageWikiLink Phylogenetic_analysis.
- Gnatusuchus wikiPageWikiLink Phylogenetics.
- Gnatusuchus wikiPageWikiLink Purussaurus.
- Gnatusuchus wikiPageWikiLink Quechuan_languages.
- Gnatusuchus wikiPageWikiLink Stangerochampsa.
- Gnatusuchus wikiPageWikiLink Tsoabichi.
- Gnatusuchus wikiPageWikiLink Tsoabichi_greenriverensis.
- Gnatusuchus wikiPageWikiLink Type_species.
- Gnatusuchus wikiPageWikiLinkText "Gnatusuchus".
- Gnatusuchus authority "Salas-Gismondi et al., 2015".
- Gnatusuchus fossilRange "Middle Miocene,".
- Gnatusuchus hasPhotoCollection Gnatusuchus.
- Gnatusuchus typeSpecies "Gnatusuchus pebasensis".
- Gnatusuchus typeSpeciesAuthority "Salas-Gismondi et al., 2015".
- Gnatusuchus wikiPageUsesTemplate Template:Automatic_taxobox.
- Gnatusuchus wikiPageUsesTemplate Template:Clade.
- Gnatusuchus wikiPageUsesTemplate Template:Convert.
- Gnatusuchus wikiPageUsesTemplate Template:Extinct_Crocodilia.
- Gnatusuchus wikiPageUsesTemplate Template:Portal.
- Gnatusuchus wikiPageUsesTemplate Template:Reflist.
- Gnatusuchus subject Category:Fossil_taxa_described_in_2015.
- Gnatusuchus subject Category:Miocene_crocodylomorpha.
- Gnatusuchus comment "Gnatusuchus is an extinct genus of caiman represented by the type species Gnatusuchus pebasensis from the Middle Miocene of Peru.".
- Gnatusuchus label "Gnatusuchus".
- Gnatusuchus sameAs Gnatusuchus.
- Gnatusuchus sameAs m.013d7dnt.
- Gnatusuchus sameAs Q20059927.
- Gnatusuchus sameAs Q20059927.
- Gnatusuchus wasDerivedFrom Gnatusuchus?oldid=679472920.
- Gnatusuchus isPrimaryTopicOf Gnatusuchus.