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Polyonyx Santos et al. 2009 (sauropod)

Reptilia - Saurischia

PaleoDB taxon number: 260472

Full reference: V. F. Santos, J. J. Moratalla, and R. Royo-Torres. 2009. New sauropod trackways from the Middle Jurassic of Portugal. Acta Palaeontologica Polonica 54(3):409-422

Parent taxon: Sauropoda according to V. F. Santos et al. 2009

Sister taxa: Acanthopholis platypus, Aepisaurus, Agustiniidae, Amygdalodon, Archaeodontosaurus, Asiatosaurus, Astrodon johnstoni, Atlantosauridae, Atlantosaurus, Barosaurus affinis, Bothriospondylidae, Bothriospondylus elongatus, Bothrosauropodidae, Bothrosauropodoidea, Brachiosaurus nougaredi, Brontopodidae, Brontopodus, Brontosauridae, Bruhathkayosaurus, Camarasauroidea, Campylodoniscus, Cardiodontidae, Cetiosaurus epioolithicus, Cetiosaurus hypoolithicus, Cetiosaurus longus, Cetiosaurus medius, Chiayusaurus, Chinshakiangosaurus, Chondrosteosaurus, Chubutisauridae, Chuxiongosaurus, Clasmodosaurus, Clasmodosaurus spatula, Dachongosaurus, Damalasaurus, Eosauropus, Eusauropoda, Faveoloolithidae, Gigantosaurus, Gravisauria, Hamanosauripus, Haplocanthosauridae, Herrerasauridae, Homalosauropodidae, Homalosauropodoidea, Iguanodon praecursor, Iguanodonichnus, Isanosaurus, Koreanosauripus, Kotasaurus, Kunmingosaurus, Lamplughsaura, Lancanjiangosaurus, Lavinipes, Liujianpus, Mamenchisauroidea, Microdontosaurus, Microsaurops, Morinosaurus, Morosauridae, Neosodon, Nurosaurus, Ohmdenosaurus, Oplosaurus, Ornithopsidae, Oshanosaurus, Parabrontopodidae, Parabrontopodus, Pleurocoelidae, Pleurocoelus altus, Pleurocoelus nanus, Pleurocoelus valdensis, Protognathosaurus, Pulanesaura, Qinlingosaurus, Ravatichnus, Rotundichnus, Sanpasaurus, Tapinosaurus, Tendaguriidae, Titanosaurus lydekkeri, Titanosaurus montanus, Ultrasaurus, Vulcanodon, Zizhongosaurus

Subtaxa: Polyonyx gomesi

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Ecology: ground dwelling herbivore