Age: one hundred ten million years previous
Nigersaurus may be a 30-foot-long phytophagous archosaurian reptile that lived 110 million years past in what’s currently Niger’s Sahara Desert Desert. Nigersaurus lived in an exceedingly lush surroundings aboard the predatory dinosaur Suchomimus, the plant eaters ouranosaurus and lurdusaurus, and supercroc. Nigersaurus had a fragile bone and a very} wide mouth lined with teeth especially tailored for browsing plants about to the ground. This bizarre, long-necked dinosaur is characterised by its outstandingly broad, straight-edged muzzle tipped with over five hundred similar teeth. the first fossil skull of Nigersaurus is one of the primary archosaurian reptile bones to be digitally reconstructed from CT scans.
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Journal Entry: Sept 9, 2000
Update on archosaurian reptile Discoveries from Paul Sereno
Gadoufaoua 11:30 pm
unconventional five hundred-toothed dinosaur
Our first we have a tendency toek within the field has been spectacular! outstanding discoveries appear to be expecting US around each dune. On our first day, we found bones of the long-necked dinosaur Nigersaurus. Nigersaurus, you would possibly remember, we named for bones collected on the last expedition here 3 years ago. This saurischian dinosaur (long-necked dinosaur) has an uncommon skull containing as several as 500 slender teeth. a serious goal of this expedition is to search out the remainder of this uncommon archosaurian reptile therefore we will describe it and reconstruct it for everybody to see.
we have a tendency to are closing in on it goal quick as a result of we came across a skeleton a couple of days later! This skeleton is lying on its aspect with the tail serpentine upward. The curve of the backbone measures concerning fifteen feet. we have a tendency to fastidiously brushed the sand off the one hundred ten million-year-old bones and mammary gland channels between the main spaces of the skeleton. presently we will cowl every area in plaster in order that the skeleton are often transported out of the sphere and back to the laboratory.
however that’s not all for Nigersaurus. Chris took US all to a flat space of purple-colored arenaceous rock wherever he had set the maxilla of a baby Nigersaurus—one that might work on prime of a silver dollar! This Nigersaurus was a hatchling, in all probability below one year from hatching once it died and was fossilized.
a brand new carnivore
whereas walking across a awfully flat area, Gabe created an interesting find—the bones of a new zoophagous archosaurian reptile lay partly exposed at her feet. She brushed away the sand from the higher jaw. near lay a part of the backbone and therefore the hip bones. This was a mean customer—the bones are from a skeleton that might live concerning thirty feet long! we have a tendency to hope to search out a lot of proof of this sharp-toothed creature because the field season goes on.
an enormous crocodilian
we have a tendency to have an interest find over simply dinosaurs. we wish to find all animals and plants that when lived on the traditional streams and forests one hundred ten million years ago. one among the foremost common fossils we encountered within the initial week of labor belonged to a huge crocodilian known as Sarcosuchus.
This reptile was so much larger than any living crocodile. judgment from the 6-foot bone we have a tendency to found within the initial week, we suspect it should have measured over forty feet long! The armor plates on its back measured a foot across. we have a tendency to even set out the team to urge a way of simply however huge this animal was.
Hans has been operating with a crew of Allison and Dave to excavate a brand new site. As we mammary gland round the skull, we uncovered another juvenile skull of identical species lying right next to the big one. They graven a block of rock that enclosed each skulls, knowing full well that it might weigh around 600 pounds once sheathed in plaster.
therefore i feel you would possibly agree that the primary week here has been a thriller.