Morrosaurus
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Morrosaurus is an extinct genus of herbivorous elasmarian dinosaur that lived in the late Cretaceous in Antarctica. The only known species is the type Morrosaurus antarcticus.
Morrosaurus
Metatarsals of ornithopods from above; these bones in Morrosaurus (C) and other elasmarians (A, B, D, E, P) demonstrate their developed running abilities and have been studied to evaluate their growth rates
Proximity of the southern continents when Morrosaurus lived allowed faunal interchange
Trinisaura
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Trinisaura is a genus of ornithopod dinosaur that lived during the late Campanian stage of the Upper Cretaceous, around 73 to 72 million years ago in what is now James Ross Island off the coast of nor
Morrosaurus
…metres (15–16 ft) in length. This makes it larger and more robust in skeletal build than many of its relatives, including the fellow Antarctic genus Trinisaura, only 1.5 metres (4.9 ft) in length. The fragmentary nature of the material precludes saying much about the preserved regions. It is united anatomically…
Trinisaura esqueletico
Image of James Ross Island, where Trinisaura's fossils were discovered
Skeleton of the closely related Talenkauen, a genus from Patagonia
Speculative life restoration