Probably one of the most common and abundant ornithopod of Morrison formation. In the past there’s also 3 more small ornithopods that also lived in the same environment and formation. These were Othnielia, Drinker, and Othnielosaurus, but they were soon reclassified to be Nanosaurus agilis instead.

More #50daysofornithischia
Day 8: Nanosaurus agilis

One of the common and abundant small ornithopods of Morrison formation.

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Ratchasimasaurus suranareae, one of the most underrated ornithopod that was found in Thailand. Lived in Khok Kruat formations, it is one of the three members of known ornithopods that can be found in the same regions.

Day 7 of #50daysofornithischia

Ratchasimasaurus suranareae, one of the most underrated ornithopod that was found in Thailand.

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The species were known from its long tail compared to its body, Tenontosaurus live during early Cretaceous period, North America. They’re also living alongside other well known faunas such as Deinonychus, Zephyrosaurus, Sauropelta, and larger and impressive sauropods like Sauroposeidon and apex predator like Acrocanthosaurus.

Day 6 of #50daysofornithischia
Tenontosaurus dossi

One of a well known ornithopod from Twin Mountain formations.

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Velafrons coahuilaensis are one of the lambeosaurinae hadrosaur from late Cretaceous Mexico, found in Cerro del Pueblo Formation. Found with several disarticulated remains such as certain cervical vertebrae and disarticulated skull. The specimen were thought to be a juvenile or young adult, that could grow into a larger size.

Day 5 for #50daysofornithischia

Velafrons coahuilaensis, a lambeosaurine hadrosaur that looks similar to magnapaulia and corythosaurus.

#paleoart #velafrons #sciart #dinosaur

This basal iguanodontian ornithopod lived in Late Jurassic period, and in what is now Oxfordshire, UK. It was once thought to be a new species of iguanodon (Iguanodon prestwichii), then it got assigned to be a new specie of Camptosaurus (Camptosaurus prestwichii), but further cladistic analysis has shown Cumnoria to have a seperate phylogenetic position, and its own separate genus from Camptosaurus.

Day 4 of #50daysofornithischia

Cumnoria prestwichii, a pretty underrated iguanodontian ornithopod that was found in Kimmeridge Clay Formation.

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Muttaburrasaurus langdoni are one of the well known Neornithischia in rhabdodontomorpha clade, they’re first appeared in Walking With Dinosaurs series from BBC in 1999. In the series they’re appeared to be very large. In reality they can reach 7-8 meters in length and 2.5 meters tall. They’re also live in the same habitats with another small elasmaria, Leaellynasaura, and a megaraptorid such as Australovenator which was once described as a polar allosaurs.

Day 3 with 50 days or ornithopods- *Ahem* I mean #50daysofornithischia yep, not only ornithopods now.

Muttaburrasaurus langdoni, from northeastern Australia.

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