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Pterosaurs of the Kem Kem Beds, more than just Coloborhynchus and Alanqa.
Sassy PaleoNerd posted a topic in General Fossil Discussion
Pterosaur Fossils are a rarity, and few ever are on the public market, but the Pterosaurs from the Kem Kem Beds are seen most commonly on the market, this is rather not due to an unusally high Pterosaur abundance, but rather because almost every Fossil is being collected at this locality. Currently, there are 4 named species from the Kem Kem Beds, but the actual number is far higher. The Named Taxa are Alanqa saharica, Xericeps curvirostris, Sirrocopteryx morrocanus and Coloborhynchus fluviferox. Some unnamed ones im allowed to talk about are the Kem Kem Tapejarid, a small Chaoyangopterid species and a 3rd Ornithocheirid. The small Chaoyangopterid originally was identified as a Pteranodontid, but it is a Chaoyangopterid. There are up to 4 more Pterosaurs from this Locality, but I am not allowed to talk about them, all of them Azhdarchoids though. The 3rd Ornithocheirid wont affect the identification of any of the Ornithocheirid teeth, but that's all I can say. Sirrocopteryx and Coloborhynchus The Identification of Pterosaur Teeth from Kem Kem has recently become impossible to the genus level, for the most part that. C. fluviferox is a gigantic Ornithocheirid, and any Teeth of greater size might be referable to it, cf. Coloborhynchus fluviferox. Another thing notable is that the Identification can be restricted to a subfamily, Coloborhynchinae indet. instead of Ornithocheiridae/Anhangueridae indet., although this is rather Nitpicky. Alanqa and Xericeps Both of these Taxa are primarily known from Mandible and Rostral Tips, identification of these is rather easy, with the one of Alanqa being triangular in crossection, and the ones of Xericeps curving upward. Loads of Postcrania is also often refered the either of the two, referal is inconclusive though, especially considering there are more than just those two. The Chaoyangopterid and Tapejarid I have never seen either two on sale, but I will be mentioning them further too. The Tapejarid is a large Taxon related to Sinopterus, it's the first image. But there is more Material I cant mention. The small Chaoyangopterid is just a mandible fragment, but it has a rather deep crest. What about the Dsungaripterid? The Material of the Dsungaripterid most likely represents Xericeps. -
Hi, All. The best I can do with this is simply put up the pictures and let wiser minds than mine (ie: everybody else!) take a look. I don't know what this is; it has tooth-like qualities, but I just can't get a handle on it. It would have come from the Agadez area of Niger, for what that's worth. Thanks for looking!
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Hello so could someone please explain the situation with sigilmassasaurus and spinosaurus was it the same dinosaur? was sigilmassasaurus bigger? Thanks
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So after following nizaar ibrahim's study in 2014 I learned that spinosaurus walked on four legs and it spend a lot of time in water being a good swimmer. But recently I saw that some new studies have been published and then some others and I have lost track so if someone could please inform me about the latest discoveries and tell me if spinosaurus was a good swimmer and if he walked on four it would be much appreciated.
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2018_KlugPohle_Amessoui_ISCPP_fieldGuide.pdf The eastern Amessoui Syncline – a hotspot for Silurian to Carboniferous cephalopod research CHRISTIAN KLUG & ALEXANDER POHLE Münster. Forsch.Geol. Paläont. 110 244-260 17 Figs. Münster,March 2018 an excursion guide(More or less),and a nicely illustrated one recommended! (Some ichnites figured as well,amongst which a probable non-trilobitogenic Rusophycus)
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- tff dknc-001
- carcharocles
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Hi, All. I came across this yesterday, but couldn't make heads nor tails of it.... I want to think it's not a bone - one side is very smooth, while the other has a tone of small stones attached to it - but the view of the inside has me wondering.... Thanks for looking at it, and telling me what I'm looking at. I seem to have a really long learning curve! Rob @LordTrilobite @Bone guy @Haravex @Troodon
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Extinct species of bird came back from the dead, scientists find
Shellseeker replied to DPS Ammonite's topic in Fossil News
Wiped out 135000 years ago... That is some feat of magic.!!! @Auspex Any one have fossils of this bird? https://www.cnn.com/2019/05/10/africa/white-throated-rail-extinction-scli-intl-scn/index.html- 5 replies
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- africa
- indianocean
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Hi, All. Okay - I'm trying to learn here, so please bear with me! I've been told that many of the teeth I've acquired here in Niger have been croc teeth, and that one of the ways to tell a croc tooth is by a circular base (basil?), while spinosauridae teeth are more oval.... That said, I offer the following two teeth for your informed evaluation! The bigger one is relatively narrow (the side shot with the enamel curving over the top gives you an idea), with the smaller one has a distinct "ridge" on each front/back (I know those aren't the technical terms - sorry!). As always, I greatly appreciate the education that you folks are giving me - thank you! Rob @Troodon @Haravex @jpc @LordTrilobite
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offthescale Histology of ganoid scales from the early Late Cretaceous of the Kem Kem beds, SE Morocco: systematic and evolutionary implications François J. Meunier, René-Paul Eustache , Didier Dutheil & Lionel Cavin Cybium,2016/40(2) "Lepidotes" pankowskii is renamed Note: fig 1 is the only figure dedicated to the macroscopic(naked eye) aspect of the scales. The "histology" in the tags is a dead giveaway where the emphasis lies..
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fish Marc Michaut:Neoselachii du Maastrichtian au sud du Niger HAL Id: hal-01729203 https://hal.archives-ouvertes.fr/hal-01729203 Submitted on 12 Mar 2018 RECOMMENDED NOTA BENE: IN FRENCH
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- coprolites
- dermal denticles
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Hi, All. Here's another "large" fossil I've acquired. Same origin as the others - Agadez area of the Sahara desert in Niger. Based on the feedback I got on an earlier submission, I'm wondering if this could be from a sauropod and, if so, what part of the skeleton? As you can see, there's a lot of mud on it that I haven't tried to remove yet, as I am a complete neophyte and don't know the proper way to do so. I welcome any and all guidance on that too. Thanks so much for all your replies! Rob @Haravex @LordTrilobite @jpc @Troodon @-Andy-
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Hi, Folks. Thank you so much for the feedback on my first posting of teeth! Apparently there were more than a few crocodiles in the Agadez area of Niger, back when it wasn't desert! I'll post the next set, and follow that up with a posting of another very large fossil from the same area. I truly appreciate the education I'm getting on here! Rob @Troodon @LordTrilobite @jpc @-Andy-
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Hi, All. I finally managed to photograph all my teeth with a scale, and am hoping for someone with a lot more knowledge than me (ie: just about anyone on this site!) to tell me what I've got. I've got them divided into 6 different sets of teeth, and tried to photograph them with a bit of logic (teeth in a row, teeth flipped over to show other side in a row, bottom of teeth displayed one at a time in order, etc.). I'm trying to learn the difference between types of teeth (crocodile vs. spinosaurus vs. m-something, etc.), so if there are any common clues, I'd really appreciate the guidance. I was told that the bottom of croc teeth are more perfectly round, while others are more oval in appearance, but that's the limit of my knowledge. I also don't know the difference between "regular" crocodile fossilized teeth, and those of the "super-croc" that has been discovered in the same region of Niger. I've also got two that I can't make heads or tails out of, that I'm hoping for clarity regarding. I guess I'll start with those.... I'll try and space my submissions out, so as not to take up too much time and space. As always, thank you so much for your help and guidance! Rob @jpc @Troodon
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Does anyone have a copy of this paper??? : Carrie S. Mongle; David S. Strait; Frederick E. Grine (2019). Expanded character sampling underscores phylogenetic stability of Ardipithecus ramidus as a basal hominin. Journal of Human Evolution. 131: 28–39. doi:10.1016/j.jhevol.2019.03.006.
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https://www.eurekalert.org/pub_releases/2019-03/ou-rrb031519.php https://www.app.pan.pl/archive/published/app64/app005682018.pdf
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- mammal
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Looking for a possible Id of possible fossils on a rock as big as a man's fist. Found it on a solo hike through the desert in Namibia at Terrace bay.
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Fossils, including Trilobites, in the Cultural Life Of Prehistoric Africa
Oxytropidoceras posted a topic in Fossil News
How Fossils Were Incorporated Into The Cultural Life Of Ancient Africa David Bressan, Forbes, February 22, 2019 https://www.forbes.com/sites/davidbressan/2019/02/22/black-and-toxic-snow-is-falling-from-the-skies-in-siberia/ According to the below paper, people were collecting trilobites even prehistoric times. The paper is: Helm, C.W., Benoit, J., Mayor, A., Cawthra, H.C., Penn-Clarke, C.R. and Rust, R., 2019. Interest in geological and palaeontological curiosities by southern African non-western societies: A review and perspectives for future study. Proceedings of the Geologists' Association. https://www.researchgate.net/publication/330367438_Interest_in_geological_and_palaeontological_curiosities_by_southern_African_non-western_societies_A_review_and_perspectives_for_future_study https://www.researchgate.net/profile/Julien_Benoit Yours, Paul H.-
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- non-western societies
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Right in time for the Valentine's day - a titanosaur with heart-shaped tail vertebrae
Kasia posted a topic in Fossil News
https://www.news5cleveland.com/news/national/newly-discovered-titanosaur-fossil-had-a-heart-shaped-tail https://www.independent.co.uk/news/science/mnyamawamtuka-new-dinosaur-valentines-day-heart-shape-tail-bone-a8778331.html https://www.popularmechanics.com/science/animals/a26312599/titanosaur-new-dinosaur-species-mnyamawamtuka-moyowamkia/ -
https://www.bbc.com/news/world-africa-46511196
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bentridiseghouroklolagerstafissionlagerstaCRGeo2011_article.pdf Inception and evolution of Oklo natural nuclear reactors Genese et evolution des reacteurs nucleaires fossiles d’Oklo Salah-Eddine Bentridi, Benoıt Gall , Francois Gauthier-Lafaye C. R. Geoscience 343 (2011) 738–748 This is the world's only (and oldest)known natural fission reactor.....................
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- precambrian
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We are all cute and cuddly! It wasn't us. (probably not entirely, anyway) https://www.bbc.com/news/science-environment-46306622
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I don't read a lot about hominid fossils but I try to keep up with general knowledge of recent finds and discussions. Sometimes, the various science magazines will publish a special issue on the subject and I try to pick up a copy. The September issue of Natural History is devoted to human origins with a few articles with even one on the ancient primates of the Paleocene and Eocene along with a reprinted column by the late Stephen J. Gould. I haven't read it yet but leafed through it (nice artwork and fossil photos in it). I had seen it that month at a local Barnes & Noble but the last copy was all bent-up like an accordion. I looked for it at another store but couldn't find it. I went back to pick up the beat-up one I had seen but it was gone. After hunting around the magazine website, I found that back issues were available so I mailed away for it ($7 including shipping). Ten days later, it arrived. In case anyone else is interested, here's the link to page with the back issue address - just scroll down to it: http://www.naturalhistorymag.com/contact.html
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- paleoanthropology
- australopithecus
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https://www.bbc.co.uk/newsround/45719806 https://www.newshub.co.nz/home/world/2018/10/first-true-giant-12-tonne-jurassic-dinosaur-discovered-in-south-africa.html
