Nigersaurus lived in what is now Niger about 115 to 105 million years ago, during the Aptian and Albian ages of the mid-Cretaceous.
Updates?  The maxillary tooth row was in its entirety transversely rotated, its normal rear 90° everted towards the front. It also lived alongside the theropods Kryptops, Suchomimus, and Eocarcharia, and a yet-unnamed noasaurid. to view the video gallery, or He also suggested it could have low-browsed from short cvonifers and other low growing plants. No preserved specimens exist today, but the sea cow was certainly the largest sirenian.
Nigersaurus is a genus of rebbachisaurid sauropod dinosaur that lived during the middle Cretaceous period, about 115 to 105 million years ago.
Lo-fi Hip Hop Study Mix refers to a series of playlists featuring ambient trip-hop and hip-hop beats, often created for the purpose of studying or relaxing. The dugong now survives as the only truly herbivorous marine mammal. But Steller’s sea cow (Hydrodamalis gigas) was much, much bigger.
They pointed out that the eyes of Nigersaurus were placed further towards the top of the skull than in most other sauropods, above the muzzle, which would give it overlapping fields of view. 1 0. We already know the power the internet has to turn absolutely anything to into a hilarious meme.
The jaws may have borne a keratinous sheath.  This condition is otherwise known only in advanced ornithischians. On March 17th, YouTuber AstroJens uploaded a mix with a still from the Studio Ghibli film Spirited Away serving as the visual, gaining over 131,000 views (shown below, right). It had a short neck for a sauropod, with thirteen cervical vertebrae. Today, four species of Sirenia still exist, grouped into two distinct families.
- Bringing Back, https://en.wikipedia.org/w/index.php?title=Nigersaurus&oldid=986316267, Wikipedia pages semi-protected against vandalism, Wikipedia indefinitely move-protected pages, Creative Commons Attribution-ShareAlike License, This page was last edited on 31 October 2020, at 02:49.
 The enamel on the teeth of Nigersaurus was highly asymmetrical, ten times thicker on the outwards facing side than on the inner side. , Nigersaurus did not exhibit the same modifications seen in the jaws of other dinosaurs with dental batteries, or mammals with elaborate chewing functions. Strange animals Wiki is a FANDOM Lifestyle Community. , On the basis of microtomography scans of skull elements of the holotype specimen, Sereno and colleagues created a "prototype" Nigersaurus skull they could examine. Follow Us .  These researchers speculated that since short necks and small size was known among basal diplodocoids, it may indicate these were ancestral features of the group. , In 2017, the Argentinian palaeontologist Lucio M. Ibiricu and colleagues examined the postcranial skeletal pneumacity in the skeletons of rebbachisaurids, and suggested that it was an adapttion for lowering the density of the skeleton, and that this could have decreased the muscle energy needed to move the body, as well as the heat generated in the process.
Steller’s sea cows were wiped out by hunters in the 18th century less than 30 years after they were first discovered by Arctic explorers. The extinction of Steller’s sea cow is a dramatic example of the vulnerability of small isolated animal populations. A lower jaw assigned to the titanosaur Antarctosaurus is likewise similar to that of Nigersaurus, but may have evolved convergently.  In addition, according to Whitlock and colleagues in 2011, the small, nearly parallel nature of the tooth scratches and pits (caused by grit, which would not be obtained as often by high-browsers) indicate that it ate relatively soft, herbaceous plants such as low-growing ferns. Steller’s sea cow didn’t look anything like the modern cows we rear for meat and milk. Apart from this, the teeth were identical.
The region of its brain that detected smell was underdeveloped, although its brain size was comparable to that of other dinosaurs. See more ideas about Manatee, Sea cow, Dugong. They found that nigersaurines were restricted to North Africa and Europe, and that Limaysaurinae was strictyly known from Argentina.
 This was supported in 2013 by the Italian palaeontologist Federico Fanti and colleagues in their description of the nigersaurine Tataouinea from Tunisia, which was more related to the European form than to Nigersaurus, despite being from Africa, then part of the supercontinent Gondwana. https://www.britannica.com/animal/sea-cow, Animal Diversity Web - Hydrodamalis gigas. to view the image gallery, In their 2007 study, they stated that the structure of the occiput and cervical vertebrae would have limited the upward and downward movement of the neck and the rotation of the skull. , Nigersaurus was suggested by Sereno and colleagues to be a ground-level, non-selective browser. , Numerous Nigersaurus specimens collected by French and American expeditions remain to be described.
Steller’s sea cow was unknown to science until 1741, when it was described by German naturalist Georg W. Steller, who accompanied Vitus Bering on his voyage of discovery in the North Pacific. The latest one to give a go is the ’30 Cows And 28 Chickens’ riddle – here’s exactly what it is. One, the dugong (Dugong dugon) of South East Asia, measures some 3 metres long, weighing around 400 kg. These otters fed on sea urchins, and the otters' absence caused an explosion in sea urchin numbers.
They also made an endocast of the brain and scanned the semicircular canals of its inner ear, which they found to be oriented horizontally. Wildlife Biologist, Midcontinent Ecological Science Center, United States Geological Survey, Denver, Colorado.
Cows sitting like dogs is officially the most important thing i've seen today – popular memes on the site ifunny.co
It had a wide muzzle filled with more than 500 teeth, which were replaced at a rapid rate: around every 14 days. However, his stature has saved him from becoming a burger. For example, a playlist posted on April 12th, 2015 by ChillCow gained over 7.1 million views (shown below, left). Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox.
Today, the term sea cow is sometimes used to refer to other sirenians, namely, the manatee and the dugong. Cow. The limited understanding of the genus was the result of poor preservation of its remains, which arises from the delicate and highly pneumatic construction of the skull and skeleton, in turn causing disarticulation of the fossils. Like the dugong, the sea cow had a relatively small head and a broad, horizontal forked tail fluke. On March 20th, 2020, Will Smith launched a parody of the videos entitled "chill beats to quarantine to."
The huge and extraordinary Steller's sea cow was ten metres long. , After the iguanodontian Lurdusaurus, Nigersaurus was the most numerous megaherbivore. One report stated that one sea cow could feed 33 men for a month, and it was thought sailors stored the meat on ships to feed themselves on voyages lasting up to a year.
Some teams have also adopted the Ocean Cow as their mascot like A local Carlsbad high school's Color Guard.  The closely related genus Demandasaurus from Spain was described by the Spanish palaeontologist Fidel Torcida Fernández-Baldor and colleagues in 2011, and along with other animal groups that span the Cretaceous of Africa and Europe, this indicates that carbonate platforms connected these landmasses across the Tethys Sea. While they appear on music streaming sites such as Soundcloud and Spotify, they are a notable trend on YouTube, as creators run 24-hour channels devoted to the style. The pelvic and pectoral girdle bones were very thin also, often only several millimetres thick.
The vertebrae of the tail, however, did have solid centra.
'r' And it would have been the most adept swimmer, spending its days cruising the seas, grazing on fields of grass growing underwater. Steller's sea cows were a very real species, related to manatees but they lived in much colder climates because of this they were much larger to accommodate insulation. The lower jaw was S-shaped and divided into the subcylindrical transverse ramus, which contained the teeth, and the back ramus, which was more lightweight and was the location for most of the muscle attachments.
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