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Lystrosaurus (name meaning "Shovel Lizard") is a genus of dicynodont therapsids that originated during the Late Permian Era in what is now Antarctica, Asia, Europe, and Africa. Measuring over 2 meters in length, Lystrosaurus was a relatively large, herbivorous mammal-like reptile with two tusks and a beak-like mouth.

In the Series 1 finale "Dawn of the Mesozoic", around a dozen Lystrosaurus were brought back to the park. They reside in a desert/river-like enclosure.

FactsEdit

Era & DiscoveryEdit

Lystrosaurus lived during the Late Permian and Early Triassic Period 255-248 million years ago, dying out a few millions of years before the dinosaurs evolved.

Dr. Elias Root Beadle, a Philadelphia missionary and avid fossil collector, discovered the first Lystrosaurus skull in 1859.

Physical AttributesEdit

Lystroasurus is about 8 feet long (2.5 m) long and weighed over 200 pounds. A large, mammal-like reptile that resembled dinosaurs, Lystrosaurus was more closely related to mammals as well as humans. Their vast herds made up almost more than half of life on Earth during the early Triassic period.

Lystrosaurs were also strong swimmers. For mammal-like reptiles, they had relatively large brains but were not direct mammal ancestors overall. Lystrosaurus ate a lot of vegetation, but it also needed to form herds to get to certain places to find new vegetation.

Behavior & TraitsEdit

When moving in monster-sized herds, Lystrosaurs hovered up so much vegetation that they had to constantly migrate for fresh food. They followed the seasonal rains and each year, this brought them to the edge of a huge escarpment. Sometimes, the only way for these constant animals was down through a deep ravine.

They moved mostly at night. In herds, there's only enough room to move in a single file, which left them very vulnerable. These creatures had sharp eyesight and a very good sense of smell but in cramped condition, it's hard to spot trouble ahead. Lystrosaurs were strong opponents. These animals had no social bonds.

GalleryEdit

TriviaEdit

  • The sound effects of Lystrosaurus are that of moose, walrus, and wild boar.
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