Age: a hundred and ten million years recent
Nigersaurus could be a 30-foot-long phytophagic archosaurian reptile that lived 110 million years agone in what’s currently Niger’s Sahara Desert. Nigersaurus lived in an exceedingly lush atmosphere aboard the predatory dinosaur Suchomimus, the plant eaters ouranosaurus and lurdusaurus, and supercroc. Nigersaurus had a fragile os and particularly} wide mouth lined with teeth especially tailored for browsing plants getting ready to the ground. This bizarre, long-necked dinosaur is characterised by its unco broad, straight-edged muzzle tipped with over five hundred replaceable teeth. the first fossil skull of Nigersaurus is one of the primary archosaurian reptile oss 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
freakish five hundred-toothed dinosaur
Our first we have a tendency toek within the field has been spectacular! outstanding discoveries appear to be expecting America 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 thus we are able to describe it and reconstruct it for everybody to see.
we have a tendency to are closing in thereon goal quick as a result of we came across a skeleton some days later! This skeleton is lying on its aspect with the tail snakelike upward. The curve of the backbone measures concerning fifteen feet. we have a tendency to rigorously brushed the sand off the a hundred and ten million-year-old bones and mamma channels between the main spaces of the skeleton. presently we will cowl every area in plaster in order that the skeleton may be transported out of the sector and back to the laboratory.
however that’s not all for Nigersaurus. Chris took America all to a flat space of purple-colored arenaceous rock wherever he had situated the jaw of a baby Nigersaurus—one that might work on high of a silver dollar! This Nigersaurus was a hatchling, most likely not up to one year from hatching once it died and was fossilized.
a brand new carnivore
whereas walking across a really flat area, Gabe created a noteworthy find—the bones of a new zoophagous archosaurian reptile lay part exposed at her feet. She brushed away the sand from the higher jaw. close 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.
a large crocodilian reptile
we have a tendency to have an interest to find over simply dinosaurs. we wish to find all animals and plants that after lived on the traditional streams and forests a hundred and ten million years ago. one amongst the foremost common fossils we encountered within the initial week of labor belonged to a massive crocodilian reptile known as Sarcosuchus.
This reptile was way larger than any living crocodile. judgment from the 6-foot os we have a tendency to found within the initial week, we suspect it’s going to have measured over forty feet long! The armor plates on its back measured a foot across. we have a tendency to even ordered out the team to induce 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 mamma round the skull, we uncovered another juvenile skull of identical species lying right next to the big one. They sliced a block of rock that enclosed each skulls, knowing full well that it might weigh around 600 pounds once cased in plaster.
thus i believe you would possibly agree that the primary week here has been a thriller.