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Hadrosauroidea

Hadrosauroidea is a clade or superfamily of ornithischian dinosaurs that includes the "duck-billed" dinosaurs, or hadrosauridae, and all dinosaurs more closely related to them than to Iguanodon. Their remains have been recovered in Asia, Europe, Africa and the Americas. Many primitive hadrosauroids, such as the Asian Probactrosaurus and Altirhinus, have traditionally been included in a paraphyletic (unnatural grouping) "Iguanodontidae". With cladistic analysis, the traditional Iguanodontidae has been largely disbanded, and probably includes only Iguanodon and perhaps its closest relatives.

Classification edit

The cladogram below follows an analysis by Andrew McDonald, 2012, and shows the position of Hadrosauroidea within Styracosterna:[1]

The cladogram below follows an analysis by Wu Wenhao and Pascal Godefroit (2012):[2]

Cladogram after Prieto-Marquez and Norell (2010):[3]

A phylogenetic analysis performed by Ramírez-Velasco et al. (2012) found a large polytomy between all hadrosauroids that are more derived than Probactrosaurus but less derived than Hadrosauridae. The exclusion of Claosaurus, Jeyawati, Levnesovia, Nanyangosaurus, Shuangmiaosaurus and Telmatosaurus from the analysis resulted in a more resolved topology:[4]

See also edit

References edit

  1. ^ McDonald, A. T. (2012). "Phylogeny of basal iguanodonts (Dinosauria: Ornithischia): an update". PLOS ONE. 7 (5): e36745. doi:10.1371/journal.pone.0036745. PMC 3358318. PMID 22629328.
  2. ^ Wu Wenhao & Pascal Godefroit (2012). "Anatomy and relationships of Bolong yixianensis, an Early Cretaceous iguanodontoid dinosaur from western Liaoning, China". In Godefroit, P. (ed.). Bernissart Dinosaurs and Early Cretaceous Terrestrial Ecosystems. Indiana University Press. pp. 293–333.
  3. ^ Albert Prieto-Marquez & Mark A. Norell (2010). "Anatomy and relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia". American Museum Novitates. 3694: 1–52. doi:10.1206/3694.2. S2CID 56372891.
  4. ^ Angel Alejandro Ramírez-Velasco; Mouloud Benammi; Albert Prieto-Márquez; Jesús Alvarado Ortega & René Hernández-Rivera (2012). "Huehuecanauhtlus tiquichensis, a new hadrosauroid dinosaur (Ornithischia: Ornithopoda) from the Santonian (Late Cretaceous) of Michoacán, Mexico". Canadian Journal of Earth Sciences. 49 (2): 379–395. doi:10.1139/e11-062.

hadrosauroidea, clade, superfamily, ornithischian, dinosaurs, that, includes, duck, billed, dinosaurs, hadrosauridae, dinosaurs, more, closely, related, them, than, iguanodon, their, remains, have, been, recovered, asia, europe, africa, americas, many, primiti. Hadrosauroidea is a clade or superfamily of ornithischian dinosaurs that includes the duck billed dinosaurs or hadrosauridae and all dinosaurs more closely related to them than to Iguanodon Their remains have been recovered in Asia Europe Africa and the Americas Many primitive hadrosauroids such as the Asian Probactrosaurus and Altirhinus have traditionally been included in a paraphyletic unnatural grouping Iguanodontidae With cladistic analysis the traditional Iguanodontidae has been largely disbanded and probably includes only Iguanodon and perhaps its closest relatives HadrosauroidsTemporal range Early Late Cretaceous 130 66 Ma PreꞒ Ꞓ O S D C P T J K Pg N Probactrosaurus Scientific classification Domain Eukaryota Kingdom Animalia Phylum Chordata Clade Dinosauria Clade Ornithischia Clade Ornithopoda Clade Hadrosauriformes Superfamily HadrosauroideaCope 1869 Type species Hadrosaurus foulkiiLeidy 1858 Subgroups Altirhinus Batyrosaurus Bolong Choyrodon Datonglong Equijubus Gongpoquansaurus Koshisaurus Jinzhousaurus Mantellisaurus Ouranosaurus Penelopognathus Portellsaurus Probactrosaurus Siamodon Sirindhorna Xuwulong Zuoyunlong Hadrosauromorpha Synonyms Trachodontoidea Lydekker 1888 Hadrosauria Huene 1956Classification editThe cladogram below follows an analysis by Andrew McDonald 2012 and shows the position of Hadrosauroidea within Styracosterna 1 Styracosterna Uteodon aphanoecetes Hippodraco scutodens Theiophytalia kerri Iguanacolossus fortis Lanzhousaurus magnidens Kukufeldia tilgatensis Barilium dawsoni Hadrosauriformes Iguanodon bernissartensis Hadrosauroidea Mantellisaurus atherfieldensis Other hadrosauroids The cladogram below follows an analysis by Wu Wenhao and Pascal Godefroit 2012 2 Hadrosauriformes Iguanodontidae Iguanodon Ouranosaurus Mantellisaurus Hadrosauroidea Bolong Equijubus Jinzhousaurus Altirhinus Batyrosaurus Probactrosaurus Eolambia Protohadros Bactrosaurus Levnesovia Shuangmiaosaurus Tethyshadros Telmatosaurus Hadrosauridae Cladogram after Prieto Marquez and Norell 2010 3 Hadrosauroidea Jinzhousaurus Penelopognathus Equijubus Probactrosaurus Eolambia Protohadros Tanius Bactrosaurus Gilmoreosaurus Telmatosaurus Shuangmiaosaurus Nanyangosaurus Lophorhothon Hadrosauridae A phylogenetic analysis performed by Ramirez Velasco et al 2012 found a large polytomy between all hadrosauroids that are more derived than Probactrosaurus but less derived than Hadrosauridae The exclusion of Claosaurus Jeyawati Levnesovia Nanyangosaurus Shuangmiaosaurus and Telmatosaurus from the analysis resulted in a more resolved topology 4 Hadrosauroidea Jinzhousaurus yangi Fukuisaurus tetoriensis Penelopognathus weishampeli Equijubus normani Probactrosaurus gobiensis Eolambia caroljonesa Protohadros byrdi Tanius sinensis Bactrosaurus johnsoni Glishades ericksoni Gilmoreosaurus mongoliensis Huehuecanauhtlus tiquichensis Jintasaurus meniscus Tethyshadros insularis HadrosauridaeSee also edit nbsp Dinosaurs portal Timeline of hadrosaur researchReferences edit McDonald A T 2012 Phylogeny of basal iguanodonts Dinosauria Ornithischia an update PLOS ONE 7 5 e36745 doi 10 1371 journal pone 0036745 PMC 3358318 PMID 22629328 Wu Wenhao amp Pascal Godefroit 2012 Anatomy and relationships of Bolong yixianensis an Early Cretaceous iguanodontoid dinosaur from western Liaoning China In Godefroit P ed Bernissart Dinosaurs and Early Cretaceous Terrestrial Ecosystems Indiana University Press pp 293 333 Albert Prieto Marquez amp Mark A Norell 2010 Anatomy and relationships of Gilmoreosaurus mongoliensis Dinosauria Hadrosauroidea from the Late Cretaceous of Central Asia American Museum Novitates 3694 1 52 doi 10 1206 3694 2 S2CID 56372891 Angel Alejandro Ramirez Velasco Mouloud Benammi Albert Prieto Marquez Jesus Alvarado Ortega amp Rene Hernandez Rivera 2012 Huehuecanauhtlus tiquichensis a new hadrosauroid dinosaur Ornithischia Ornithopoda from the Santonian Late Cretaceous of Michoacan Mexico Canadian Journal of Earth Sciences 49 2 379 395 doi 10 1139 e11 062 Retrieved from https en wikipedia org w index php title Hadrosauroidea amp oldid 1219188988, wikipedia, wiki, book, books, library,

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