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Showing results for tags 'kem kem group'.
Found 11 results
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A new peirosarid crocodyliform is described from the Kem Kem Group. Antaeusuchus taouzensis This review, indicates the existence of at least three approximately contemporaneous peirosaurid lineages within the Kem Kem Group, alongside other notosuchians, and support the peirosaurid affinities of the ‘trematochampsid’ Miadanasuchus oblita from the Maastrichtian of Madagascar. Identification of crocodyliform teeth from this region has been complicated with this publication. The paper does do a comparison with Hamadasuchus rebouli . https://royalsocie
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This paper by Roy Smith et al. looks at small and immature pterosaurs finds in the Kem Kem Group and their implications. The abstract states the a sampling bias exists and makes the following comment: "Histological analysis suggests that very small/small morphs are immature individuals rather than species in which adults were small-bodied." Unfortunately the paper is paywalled but this must raise to question how many of the smaller pterosaurs species that are named in the KK were early ontogenetic stages of larger pterosaurs. Not surprised considering that there are 10 named an
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A guide for the identification of Spinosaurine vertebrae from the Kem Kem group, Morocco.
MBL13 posted a topic in Fossil ID
Hello everyone,I've decided to open a chain of comments focusing on a popular theme: Moroccan spinosaurids. This is the first comment of a small series dedicated to analyse and document the diverse morphology of spinosaurids in the Kem Kem group. As an introduction,I'll be specifying how it will work,the rules and some guidance for those interested. First and foremost,the rules: 1)For correct identifications,I require images in various view(ventral and lateral at least) and with the highest quality possible. 2)Each comment will focuse on a specific morphotype,as- 14 replies
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Dr. Hone and Holtz take an objective look at Spinosaurus has an aquatic predator. Gotta love it, another view, excellent read. From Abstract: "Here we assess the arguments about the functional morphology of this animal and the available data on its ecology and possible habits in the light of these new finds. We conclude that based on the available data, the degree of adaptations for aquatic life are questionable, other interpretations for the tail fin and other features are supported (e.g., socio-sexual signalling), and the pursuit predation hypothesis for Spinosaurus as a “
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The 2020 monograph on the Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco is described by Nizar Ibrahim, Paul Sereno et al. https://zookeys.pensoft.net/article/47517/ The dinosaurian faunal listings are the opinions of the authors and may not be shared by other paleontologist
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An unusual mid-cervical vertebra belonging to a large spinosaurid from the Cenomanian Kem Kem Group of Morocco is described in this new paper. Here is one more example that continues to fuel the debate that there are multiple Spinosaurids in the Kem Kem Group https://journals.library.ualberta.ca/vamp/index.php/VAMP/article/view/29370 Conclusions from paper: The specimen ROM 65537 represents a new spinosaurid mid-cervical morphotype from the Kem Kem Group of Morocco, with a unique combination of characters not previous
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From the album: Dinosaurs
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From the album: Dinosaurs
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Unbelievable pterosaur diversity in this part of North Africa. This paper describes a unique small, long-beaked pterosaur from the Kem Kem Group of Morocco. Does not appear to be named. Paywalled https://www.sciencedirect.com/science/article/abs/pii/S0195667120303293
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Along with the debate on how many Spinosaurids are there in the Kem Kem we have a similar one on Carcharodontosaurids. Attached find paleontologist Andrea Cau blog on this subject. He analyzes the arguments brought by Ibrahim et al. (2020) and offers his rebuttal: http://theropoda.blogspot.com/2020/10/sauroniops-non-e-carcharodontosaurus.html His Conclusions "1) The front of Sauroniops is not 60% of that of Carcharodontosaurus , but of comparable size (and proportionately more stocky and broad, and both extend over 19 cm above the skull). 2)
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Updated 11/3/20 Although a lot of this has already been posted on a number of topics, I thought consolidation might prove useful with some additional information. If you're planning to purchase theropod teeth from Morocco's Kem Kem Beds or already have some in your collection check this out. Moroccan theropods are poorly understood and not a lot has been published. Very few articulated skeletons have been found and most are partial and without a skull. There is also lots of mis-information, mostly unintentional, from some dealers but especially with online auction
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