Jeholosauridae

Jeholosaurids were herbivorous neornithischian dinosaurs from the Cretaceous Period (Aptian - Cenomanian. The family was first proposed by Han et al. in 2012. The jeholosaurids were defined as all neornithischians more closely related to Jeholosaurus shangyuanensis than to Hypsilophodon foxii, Iguanodon bernissartensis, Protoceratops andrewsi, Pachycephalosaurus wyomingensis, or Thescelosaurus neglectus. The Jeholosauridae includes the type genus Jeholosaurus, and also possibly Yueosaurus, Changchunsaurus, and Haya.[1][2][3]

Jeholosaurids
Temporal range: Early to Late Cretaceous,
Jeholosaurus shangyuanensis skeleton reconstruction (Dinosaurland, Lyme Regis).
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: †Ornithischia
Clade: †Neornithischia
Family: †Jeholosauridae
Han et al., 2012
Genera

The cladogram below results from analysis by Herne et al., 2019, which added Changchunsaurus and Haya to Jeholosauridae, but moved Yueosaurus to the sister family Thescelosauridae.[3]

Ornithischia
 

Heterodontosauridae

 
 
 

Eocursor

 
 
 

Thyreophora

 
Neornithischia
 

Lesothosaurus

 
 
 

Agilisaurus

 
 
 
 

Hexinlusaurus

 
 

Yandusaurus

 
 
 
 
 

Nanosaurus

 
 
Jeholosauridae
 

Haya

 
 
 

Jeholosaurus

 
 

Changchunsaurus

 
 
 
Thescelosauridae
 
 

Orodromeus

 
 

Koreanosaurus

 
 
 
 

Zephyrosaurus

 
 
 

Yueosaurus

 
 

Thescelosaurus

 
 
 
 
 
 
Cerapoda
 

Marginocephalia

 
Ornithopoda
 

Parksosaurus

 
 
Elasmaria
 

Talenkauen

 
 
 
 

Macrogryphosaurus

 
 

Gasparinisaura

 
 
 
 

Galleonosaurus

 
 

Leaellynasaura

 
 

Anabisetia

 
 

Diluvicursor

 
 
 
 
Clypeodonta
 

Hypsilophodon

 
Iguanodontia
 

Rhabdodontidae

 
 
 

Muttaburrasaurus

 
 
 

Tenontosaurus

 
 

Dryomorpha

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

References

  1. Han, Feng-Lu; Paul M. Barrett; Richard J. Butler; Xing Xu (2012). "Postcranial anatomy of Jeholosaurus shangyuanensis (Dinosauria, Ornithischia) from the Lower Cretaceous Yixian Formation of China". Journal of Vertebrate Paleontology. 32 (6): 1370–1395. doi:10.1080/02724634.2012.694385.
  2. Boyd CA. (2015) The systematic relationships and biogeographic history of ornithischian dinosaurs. PeerJ 3:e1523 https://doi.org/10.7717/peerj.1523
  3. Herne, Matthew C.; Nair, Jay P.; Evans, Alistair R.; Tait, Alan M. (2019). "New small-bodied ornithopods (Dinosauria, Neornithischia) from the Early Cretaceous Wonthaggi Formation (Strzelecki Group) of the Australian-Antarctic rift system, with revision of Qantassaurus intrepidus Rich and Vickers-Rich, 1999". Journal of Paleontology. 93 (3): 543–584. doi:10.1017/jpa.2018.95.


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