Life In Cretaceous South America - Documentary - Jurassic World Evolution 2

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  • čas přidán 2. 08. 2024
  • In this video you will travel back in time around 83-82 million years ago to the Bajo de la Carpa Formation of prehistoric South America. Thanks for watching!
    Dinosaurs in video:
    Bonitasaura:
    Bonitasaura is a titanosaurian dinosaur hailing from uppermost layers of the Late Cretaceous Bajo de la Carpa Formation, Neuquen Group, located in Río Negro Province, Northwestern Patagonia, Argentina. The remains, consisting of a partial sub-adult skeleton jumbled in a small area of fluvial sandstone, including lower jaw with teeth, partial vertebrae series and limb bones, were described by Apesteguía in a short communication in mid-2004.
    The genus name Bonitasaura refers to the fossil quarry’s name, “La Bonita”, while the name of the type species, B. salgadoi, pays homage to Leonardo Salgado, a renowned Argentine paleontologist.
    Source: jurassicpark.fandom.com/wiki/...
    Llukalkan:
    Llukalkan is very similar to Viavenator, except that it is smaller (as it is 5 meters, or 16.67 ft), the holes in the skull through which the veins pass are larger and more widely separated from the supraoccipital crest, among other differences.
    The Llukalkan means "the one who causes fear" in the language of the indigenous, native Mapuche, and aliocranianus is Latin for "unusual skull."
    Features characterizing this taxon include a possible caudal tympanic recess posterior to the columellar recess, a T-shaped lacrimal with jugal ramus lacking a suborbital process, and large foramina for caudal middle cerebral veins widely separated from the median supraoccipital crest. In addition to this, a bulge on the anteromedial border of the supratemporal fossa, tall and posteriorly projected paroccipital processes, basal tubera interconnected distally, a triangular basisphenoid recess, and a single foramen for the sphenoidal artery on the basisphenoid, differentiate Llukalkan from Viavenator exxoni.
    Source:dinopedia.fandom.com/wiki/Llu...
    Tratayenia:
    The Tratayenia rosalesi is only known from fragmentary postcranial remains, primarily connected with the spine and hips, yet even these meager remnants have considerably advanced our understanding of the Cretaceous period South American dinosaurs. Carcharodontosaurid Theropod dinosaurs were considered to be major predators in South America during the early Cretaceous period until Abelisaurid Theropod dinosaurs took over in the late Cretaceous period. The Tratayenia rosalesi, on the other hand, belonged to neither of these two families; it was a Megaraptoran Theropod dinosaur. Tratayenia rosalesi, the type and sole species, was described in March 2018. Juan D. Porfifi, R.‭ ‬D.‭ ‬Juárez Valieric,‭ ‬D.‭ ‬D.‭ ‬D.‭ ‬Santos‭ and ‬M.‭ ‬C.‭ ‬Lamanna, paleontologists at the University of North Carolina, unearthed it.
    Source:kidadl.com/facts/dinosaurs/tr...
    Viavenator:
    Named in‭ ‬2016‭ ‬from a single specimen,‭ ‬Viavenator is another of the growing number of South American abelisaurid dinosaurs that are known to us.‭ ‬At a glance Viavenator does not seem to be anything special apart from being another abelisaur,‭ ‬however the authors of the paper describing this dinosaur have identified a combination of features within the known skeleton that indicate that Viavenator may actually be a transitional form,‭ ‬linking earlier abelisaurids of the Cenomanian and Turonian eras,‭ ‬with the later abelisaurids of the Campanian.‭
    Out of all the South American abelisaurids,‭ ‬Viavenator has been speculated to be more closely related to genera such as Carnotaurus,‭ ‬Abelisaurus,‭ ‬Aucasaurus,‭ ‬Pycnonemosaurus and Quilmesaurus.‭ ‬Like its relatives,‭ ‬Viavenator would have been a predator of other animals,‭ ‬and given the modest size of the holotype individual,‭ ‬a hunter of small to medium dinosaurs.
    Source:www.prehistoric-wildlife.com/s...
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