Elasmaria is a clade of ornithopods known from Cretaceous deposits in South America, Antarctica, and Australia that contains many bipedal ornithopods that were previously considered "hypsilophodonts".[1][2]
^Boyd CA. (2015) The systematic relationships and biogeographic history of ornithischian dinosaurs. PeerJ 3:e1523 https://doi.org/10.7717/peerj.1523
^Madzia, Daniel; Boyd, Clint A.; Mazuch, Martin (2017). "A basal ornithopod dinosaur from the Cenomanian of the Czech Republic". Journal of Systematic Palaeontology: 1–13. doi:10.1080/14772019.2017.1371258.
Elasmaria is a clade of ornithopods known from Cretaceous deposits in South America, Antarctica, and Australia that contains many bipedal ornithopods...
Bandeira et al. (2024) recovered Tietasaura as an ornithopod member of the Elasmaria, as the sister taxon to Notohypsilophodon. Their results are displayed...
cladogram below results from analysis by Herne et al., 2019. Parksosaurus and Elasmaria were recovered within Ornithopoda, among other revised relationships....
as a basal neornithischian. A 2019 study recovered it as a member of Elasmaria. Position according to Herne et al., 2019: Leaellynasaura was an Australian...
(2015), and more specifically as a member of the iguanodontian clade Elasmaria by Rozadilla et al. (2016) and Madzia et al. (2017). In this regard, it...
with the other genera being within clades like Thescelosauridae and Elasmaria. A 2014 analysis by Norman recovered a grouping of Hypsilophodon, Rhabdodontidae...
ornithopod Morrosaurus shows that the latter and Gasparinisaura are part of Elasmaria, a clade of hypsilophodonts known from South America, Antarctica and maybe...
placed it as an intermediate member of Iguanodontia more derived than Elasmaria. Cladogram based in the phylogenetic analysis of Rozadilla et al., 2015:...
papers. Later phylogenetic analyses have found Trinisaura within the clade Elasmaria, a group of small to medium-sized herbivorous ornithopods characterized...
Notohypsilophodon, Talenkauen and Macrogryphosaurus in a group called Elasmaria, whose members are distinguished by their adaptation to a running lifestyle...
found their genus and Talenkauen to be related, and coined the clade Elasmaria for the two genera. In 2015, several other Patagonian and Antarctic ornithopods...
flattened at the top and thickened from front to back, a synapomorphy of the Elasmaria. However, the thickening remains limited. With the third metatarsal, the...
position. However, in 2015, both taxa were found to be part of the clade Elasmaria along with other Antarctic and Patagonian ornithopods. Cladogram based...
related to Talenkauen, and Calvo and colleagues proposed a new clade, Elasmaria, for the two genera. The cladogram below results from analysis by Herne...
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