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- Tetrapodophis abstract "Tetrapodophis (meaning "four-footed snake" in Greek) is an extinct genus of snake from the Early Cretaceous of Brazil. It is one of the oldest snakes and the only known snake with four legs. The type species, Tetrapodophis amplectus, was named in 2015 on the basis of a complete skeleton (BMMS BK 2-2) preserved on a limestone slab in the Bürgermeister Müller Museum in Solnhofen, Germany, which was labeled as "unknown fossil" until its importance was recognized by paleontologist David Martill. The specimen was later determined to come from the Early Cretaceous Crato Formation in Ceará, Brazil.Tetrapodophis possesses small yet well-developed fore- and hindlimbs, a feature found in no other snake living or extinct. Nevertheless it shares many characteristics with modern snakes, including an elongate body, short tail, broad belly scales, a skull with a short snout and long braincase, curved jaws, and sharp hooked teeth. BMMS BK 2-2 contains bones of another animal in its gut, indicating that Tetrapodophis was carnivorous like most other snakes. This suite of highly derived characteristics in Tetrapodophis indicates that the modern snake body plan evolved early in the group's history. Other features such as short neural spines suggest that Tetrapodophis was adapted to burrowing, lending support to the hypothesis that snakes evolved in terrestrial environments (another hypothesis posits that they evolved in aquatic environments). The high number of vertebrae (upwards of 150) in Tetrapodophis and other snakes is not seen in other burrowing reptiles with elongate bodies and reduced or absent limbs, meaning that it is most likely not an adaptation for a serpentine form of locomotion, and may instead be an adaptation for constricting prey, which is a behavior unique to snakes.A phylogenetic analysis published alongside the original 2015 description of Tetrapodophis places it as a close relative of other early snakes such as Coniophis, Dinilysia, and Najash, but outside the crown group Serpentes, meaning that it branched off before the most recent common ancestor of all living snakes. Below is a cladogram from that analysis:".
- Tetrapodophis wikiPageID "47325848".
- Tetrapodophis wikiPageLength "4222".
- Tetrapodophis wikiPageOutDegree "39".
- Tetrapodophis wikiPageRevisionID "682101631".
- Tetrapodophis wikiPageWikiLink 2015_in_paleontology.
- Tetrapodophis wikiPageWikiLink Alethinophidia.
- Tetrapodophis wikiPageWikiLink Ancient_Greek.
- Tetrapodophis wikiPageWikiLink Bürgermeister-Müller-Museum.
- Tetrapodophis wikiPageWikiLink Bürgermeister_Müller_Museum.
- Tetrapodophis wikiPageWikiLink Category:Cretaceous_snakes.
- Tetrapodophis wikiPageWikiLink Category:Early_Cretaceous_reptiles_of_South_America.
- Tetrapodophis wikiPageWikiLink Category:Fossil_taxa_described_in_2015.
- Tetrapodophis wikiPageWikiLink Ceará.
- Tetrapodophis wikiPageWikiLink Cladogram.
- Tetrapodophis wikiPageWikiLink Coniophis.
- Tetrapodophis wikiPageWikiLink Coniophis_precedens.
- Tetrapodophis wikiPageWikiLink Crato_Formation.
- Tetrapodophis wikiPageWikiLink Crown_group.
- Tetrapodophis wikiPageWikiLink David_Martill.
- Tetrapodophis wikiPageWikiLink Diablophis_gilmorei.
- Tetrapodophis wikiPageWikiLink Dinilysia.
- Tetrapodophis wikiPageWikiLink Dinilysia_patagonica.
- Tetrapodophis wikiPageWikiLink Early_Cretaceous.
- Tetrapodophis wikiPageWikiLink Eophis_underwoodi.
- Tetrapodophis wikiPageWikiLink Euopodophis_descouensi.
- Tetrapodophis wikiPageWikiLink Genus.
- Tetrapodophis wikiPageWikiLink Haasiophis.
- Tetrapodophis wikiPageWikiLink Haasiophis_terrasanctus.
- Tetrapodophis wikiPageWikiLink Limestone.
- Tetrapodophis wikiPageWikiLink Madtsoiidae.
- Tetrapodophis wikiPageWikiLink Most_recent_common_ancestor.
- Tetrapodophis wikiPageWikiLink Najash.
- Tetrapodophis wikiPageWikiLink Najash_rionegrina.
- Tetrapodophis wikiPageWikiLink Neural_spine.
- Tetrapodophis wikiPageWikiLink Ophidia.
- Tetrapodophis wikiPageWikiLink Pachyrhachis.
- Tetrapodophis wikiPageWikiLink Pachyrhachis_problematicus.
- Tetrapodophis wikiPageWikiLink Parviraptor.
- Tetrapodophis wikiPageWikiLink Parviraptor_estesi.
- Tetrapodophis wikiPageWikiLink Phylogenetic_analysis.
- Tetrapodophis wikiPageWikiLink Phylogenetics.
- Tetrapodophis wikiPageWikiLink Portugalophis_lignites.
- Tetrapodophis wikiPageWikiLink Scolecophidia.
- Tetrapodophis wikiPageWikiLink Serpentes.
- Tetrapodophis wikiPageWikiLink Snake.
- Tetrapodophis wikiPageWikiLink Solnhofen.
- Tetrapodophis wikiPageWikiLink Type_species.
- Tetrapodophis wikiPageWikiLink Vertebra.
- Tetrapodophis wikiPageWikiLinkText "Tetrapodophis amplectus".
- Tetrapodophis wikiPageWikiLinkText "Tetrapodophis".
- Tetrapodophis authority "Martill 'et al.'', 2015".
- Tetrapodophis fossilRange Early_Cretaceous.
- Tetrapodophis hasPhotoCollection Tetrapodophis.
- Tetrapodophis typeSpecies "Tetrapodophis amplectus".
- Tetrapodophis typeSpeciesAuthority "Martill et al., 2015".
- Tetrapodophis wikiPageUsesTemplate Template:Automatic_taxobox.
- Tetrapodophis wikiPageUsesTemplate Template:Clade.
- Tetrapodophis wikiPageUsesTemplate Template:Extinct_squamates.
- Tetrapodophis wikiPageUsesTemplate Template:Reflist.
- Tetrapodophis wikiPageUsesTemplate Template:Snake-stub.
- Tetrapodophis subject Category:Cretaceous_snakes.
- Tetrapodophis subject Category:Early_Cretaceous_reptiles_of_South_America.
- Tetrapodophis subject Category:Fossil_taxa_described_in_2015.
- Tetrapodophis comment "Tetrapodophis (meaning "four-footed snake" in Greek) is an extinct genus of snake from the Early Cretaceous of Brazil. It is one of the oldest snakes and the only known snake with four legs. The type species, Tetrapodophis amplectus, was named in 2015 on the basis of a complete skeleton (BMMS BK 2-2) preserved on a limestone slab in the Bürgermeister Müller Museum in Solnhofen, Germany, which was labeled as "unknown fossil" until its importance was recognized by paleontologist David Martill.".
- Tetrapodophis label "Tetrapodophis".
- Tetrapodophis sameAs Tetrapodophis.
- Tetrapodophis sameAs Tetrapodophis.
- Tetrapodophis sameAs Tetrapodophis.
- Tetrapodophis sameAs Tetrapodophis.
- Tetrapodophis sameAs Tetrapodophis.
- Tetrapodophis sameAs Q20729892.
- Tetrapodophis sameAs Q20729892.
- Tetrapodophis wasDerivedFrom Tetrapodophis?oldid=682101631.
- Tetrapodophis isPrimaryTopicOf Tetrapodophis.