#archosauria
Saichania
Mounted specimen on display at Dinosaur Kingdom, in Nakasato, Japan
Reconstruction by Andrey Atuchin
When: Late Cretaceous (~83 to 70 million years ago)
Where: Mongolia
What:Saichania was an armored plant eating dinosaur that roamed the deserts of Mongolia in the late Cretaceous. It was about 22 ft (~6 meters) long and heavily built. It was more fearsome looking than most armored dinosaurs as it did not just have flat armor plates on its body, but rather was covered with spikes. These dinosaurs were armored all over, there is even evidence of armored eyelids! This suit of armor would have protected Saichania from predators in the late Mesozoic mongolian desert. Fossils are typically found in deserts and badlands worldwide, but typically these areas were very different environments when the species represented by the fossils were alive. The ancient Gobi Desert was much closer to the harsh modern environment than most. Saichania was well adapted for desert life, with its stocky body and teeth designed for grinding the toughest of the desert plants.
Saichania falls within Ankylosauridae, a group of armored dinosaurs found almost worldwide. It is one of the last and most derived of the ankylosaurids. One good way to differentiate the deserved ankylosaurids from their armored close relatives is the presence of a tail club. Saichania did not have the most massive club known, but it was still a significant feature. Ankylosaurids were one of the dinosaur groups that made it right up to the end of the Cretaceous period, vanishing with the rest of the non-avian dinosaurs.
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Some paleoart I did for my new job of one of my favourite dinos, P. lakustai!
[ID. A digitally painted profile of the face of Pachyrhinosaurus lakustai, a ceratopsian with a large boss above it’s nose and a smaller boss above its eye, and a single “unicorn” spike on the middle portion of its frill. It is illustrated in browns with some darker stripes and an eyespot on the frill.
The skull used for reference is illustrated in flat black and white in the background and is overlain with the text: “Pachyrhinosaurus lakustai/Lakusta’s Thick-Nosed reptile from Pipestone Creek, Grande Prairie”. END]
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