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> The Spanish Diplodocus lived roughly 150 million years ago near the end of the Jurassic period. > [...] > According to the team, the presence of Diplodocus

> The Spanish Diplodocus lived roughly 150 million years ago near the end of the Jurassic period. > [...] > According to the team, the presence of Diplodocus in Iberia offers strong evidence that dinosaurs moved between North America and Europe during that era, likely crossing temporary land bridges that appeared as the proto-North Atlantic Ocean periodically receded. I want a map! I found this: https://www.sciencephoto.com/media/167017/view https://www.sciencephoto.com/media/167017/view Is it the correct map? Is there a land (ice?) bridge between Newfoundland and Portugal? Am I interpreting it correctly?

artisinal 8d ago
We could save a lot of money and emissions if we brought the continents back together! Imagine Paris to New York by high speed train.
- loloquwowndueo 8d ago
  Ew no, not with the Americans behaving the way they are now. The Atlantic is fine where it is thank you very much.
  - saghm 8d ago
    As an American...I concur. The rest of the world doesn't deserve that.
  - aeve890 8d ago
    Americans behaving the way they are now and Parisians mixed together? Hell on Earth
    - criddell 8d ago
      During the world cup, I saw mostly very positive reports on the experiences Europeans had with Americans, and vice versa.
      - artisinal 8d ago
        Hello, you are going against the internet narrative of "america bad" please stop doing that.
      - loloquwowndueo 8d ago
        Look for reports from the Iranian team. I bet those weren’t as widely publicized as the rosy positive ones.
        criddell 8d ago
        Iran isn't usually described as European and I did qualify my statement with mostly.
        loloquwowndueo 7d ago
        I know it’s not European. Great job missing my point entirely.
        criddell 5d ago
        If you thought I was claiming everybody had a great time, then you are a missing my point.
      - afavour 8d ago
        Nice on a personal level in real life but not when dealing with a population in the abstract? Say it ain’t so!
      - saghm 8d ago
        Yes, I have very positive interactions with people outside of the US, and (hopefully!) most of them would say the same about me. That doesn't mean that what my government is doing isn't really shitty though, or that I would expect the other 350 million people around me to be uniformly positive to interact with. For starters, a lot of them voted for the government that's being like this, and although that doesn't necessarily mean that they would interact poorly with people from countries that are having to deal with the fallout, I wouldn't blame someone for not wanting to give them the benefit of the doubt, or even not wanting to give me the benefit of the doubt (I can't prove how I voted, and even if I could, it wouldn't be unreasonable for that to be considered insufficient for exculpability). My honest impression is that most of the time when governments are at odds, the people living in the countries will often not share those sentiments when interacting at an individual level. During the brief period when TikTok was unavailable in the US (before the ban kept repeatedly getting pushed until they finalized Ellison et. al. acquiring the US rights for it), a lot of people apparently went onto a Chinese social media app as a silly form of rebellion, with both sides basically agreeing the whole thing was silly and that even they their governments thought they were enemies, the citizens didn't have to.
    - pvaldes 8d ago
      Foux da fa faa...
  - artisinal 8d ago
    Fair. Perhaps we can extend the Black Sea to keep those dirty Russians out of Europe
rubidium 8d ago
I would think so yes. But not an authority on this. The map is super cool though. Makes you think of the earth as something still aging since it looks clearly “earth” but with major differences.
shagie 8d ago
Else comment I made, trying to answer that same question, I found https://thepangeamap.com https://thepangeamap.com - one of the neat features is being able to put dinosaurs in the timeline. The Paleotopography selection (rather than GPlates) also gives hints about the expected height and depth of the land and sea.
mncharity 8d ago
> map! Maps.[1][2] Too far south for an ice bridge - Newfoundland is south like modern Florida - tropical. And it's the Jurassic, hot with high sea levels, so even though its continental shelf extends out towards Spain, there are no ice ages to bare it (as was the Eastern US shelf a mere 12k years ago). But Pangea is ripping apart, it's a mess with crust blocks variously uplifted and tilted, massive weathering and sediment fluxes, so... From the TFA paper[3]: During the early Mesozoic, North America and Europe were connected to form the western and central part of the supercontinent Laurasia. With the opening of the North Atlantic during the Late Jurassic and earliest Cretaceous, the region fragmented into smaller tectonic units55–58 that might have periodically formed contiguous land masses57,58 during sea level low-stands, characterized by exposure of continental margins and draining of continental interior seaways55–58. The presence of a land bridge between North America and Europe during the late Kimmeridgian-earliest Tithonian13 might explain similarities in some dinosaurs such as Stegosaurus59 and Allosaurus60. However, the absence of turiasaurs in the Morrison Formation suggests that this clade dispersed into western North America after the mid-Tithonian. Thus, unless we wish to argue that turiasaurs were actually present in the Morrison Formation but have not been found yet, a second later land connection between Europe and North America is required. Specifically, during the mid-Valanginian (c.137Ma), a dramatic drop in sea level7,55,56 potentially reconnected Europe and North America and so permitted a fi al exchange of vertebrate clades across the Atlantic. Th s Valanginian event could also explain apparent faunal exchanges between these continents proposed for the late Hauterivian-early Barremian13. Taxa that seem to disperse in the Hauterivian/ Barremian might actually have done so during the Valanginian lowstand, but gaps in the fossil record mean that the results of these dispersals might not be detected until we access better sampled post-Valanginian deposits. 58 is available with a plate.[4] 57 is old, with only low-res global plates, ggl books preview has 138 Ma on p42. 56 I skipped. 55 is available[5] but is temporally low res. There's a 2016 paper Late Mesozoic North Atlantic land bridges[6], Elsevier paywalled with excerpts, and on sci-hub. And that's my time budget. [1] https://portal.gplates.org/cesium/?view=topo_recon https://portal.gplates.org/cesium/?view=topo_recon [2] rocks: https://portal.gplates.org/cesium/?view=GeologyR https://portal.gplates.org/cesium/?view=GeologyR key: https://portal.gplates.org/portal/geology/ https://portal.gplates.org/portal/geology/ [3] quote is on page 9: https://dinodata.de/bibliothek/pdf_d/2017/001_s41598-017-14677-2_dd.pdf https://dinodata.de/bibliothek/pdf_d/2017/001_s41598-017-146... [4] paper ref 58, 150/136 Ma plates on page 31, key on page 29, 3 MB but downloads slowly: https://archimer.ifremer.fr/doc/00117/22805/20913.pdf https://archimer.ifremer.fr/doc/00117/22805/20913.pdf [5] https://www.researchgate.net/profile/Golonka-Jan/publication/223212026_Phanerozoic_paleogeography_paleoenvironment_and_lithofacies_maps_of_the_circum-Atlantic_margins/links/5a7347a4458515512077bbc3/Phanerozoic-paleogeography-paleoenvironment-and-lithofacies-maps-of-the-circum-Atlantic-margins.pdf https://www.researchgate.net/profile/Golonka-Jan/publication... [6] Late Mesozoic North Atlantic land bridges (2016). Available on sci-hub. https://www.sciencedirect.com/science/article/abs/pii/S0012825216300794 https://www.sciencedirect.com/science/article/abs/pii/S00128...

artisinal 8d ago

We could save a lot of money and emissions if we brought the continents back together! Imagine Paris to New York by high speed train.

loloquwowndueo 8d ago
Ew no, not with the Americans behaving the way they are now. The Atlantic is fine where it is thank you very much.
- saghm 8d ago
  As an American...I concur. The rest of the world doesn't deserve that.
- aeve890 8d ago
  Americans behaving the way they are now and Parisians mixed together? Hell on Earth
  - criddell 8d ago
    During the world cup, I saw mostly very positive reports on the experiences Europeans had with Americans, and vice versa.
    - artisinal 8d ago
      Hello, you are going against the internet narrative of "america bad" please stop doing that.
    - loloquwowndueo 8d ago
      Look for reports from the Iranian team. I bet those weren’t as widely publicized as the rosy positive ones.
      - criddell 8d ago
        Iran isn't usually described as European and I did qualify my statement with mostly.
        loloquwowndueo 7d ago
        I know it’s not European. Great job missing my point entirely.
        criddell 5d ago
        If you thought I was claiming everybody had a great time, then you are a missing my point.
    - afavour 8d ago
      Nice on a personal level in real life but not when dealing with a population in the abstract? Say it ain’t so!
    - saghm 8d ago
      Yes, I have very positive interactions with people outside of the US, and (hopefully!) most of them would say the same about me. That doesn't mean that what my government is doing isn't really shitty though, or that I would expect the other 350 million people around me to be uniformly positive to interact with. For starters, a lot of them voted for the government that's being like this, and although that doesn't necessarily mean that they would interact poorly with people from countries that are having to deal with the fallout, I wouldn't blame someone for not wanting to give them the benefit of the doubt, or even not wanting to give me the benefit of the doubt (I can't prove how I voted, and even if I could, it wouldn't be unreasonable for that to be considered insufficient for exculpability). My honest impression is that most of the time when governments are at odds, the people living in the countries will often not share those sentiments when interacting at an individual level. During the brief period when TikTok was unavailable in the US (before the ban kept repeatedly getting pushed until they finalized Ellison et. al. acquiring the US rights for it), a lot of people apparently went onto a Chinese social media app as a silly form of rebellion, with both sides basically agreeing the whole thing was silly and that even they their governments thought they were enemies, the citizens didn't have to.
  - pvaldes 8d ago
    Foux da fa faa...
- artisinal 8d ago
  Fair. Perhaps we can extend the Black Sea to keep those dirty Russians out of Europe

rubidium 8d ago

I would think so yes. But not an authority on this. The map is super cool though. Makes you think of the earth as something still aging since it looks clearly “earth” but with major differences.

shagie 8d ago

Else comment I made, trying to answer that same question, I found https://thepangeamap.com https://thepangeamap.com - one of the neat features is being able to put dinosaurs in the timeline. The Paleotopography selection (rather than GPlates) also gives hints about the expected height and depth of the land and sea.

mncharity 8d ago

> map! Maps.[1][2] Too far south for an ice bridge - Newfoundland is south like modern Florida - tropical. And it's the Jurassic, hot with high sea levels, so even though its continental shelf extends out towards Spain, there are no ice ages to bare it (as was the Eastern US shelf a mere 12k years ago). But Pangea is ripping apart, it's a mess with crust blocks variously uplifted and tilted, massive weathering and sediment fluxes, so... From the TFA paper[3]: During the early Mesozoic, North America and Europe were connected to form the western and central part of the supercontinent Laurasia. With the opening of the North Atlantic during the Late Jurassic and earliest Cretaceous, the region fragmented into smaller tectonic units55–58 that might have periodically formed contiguous land masses57,58 during sea level low-stands, characterized by exposure of continental margins and draining of continental interior seaways55–58. The presence of a land bridge between North America and Europe during the late Kimmeridgian-earliest Tithonian13 might explain similarities in some dinosaurs such as Stegosaurus59 and Allosaurus60. However, the absence of turiasaurs in the Morrison Formation suggests that this clade dispersed into western North America after the mid-Tithonian. Thus, unless we wish to argue that turiasaurs were actually present in the Morrison Formation but have not been found yet, a second later land connection between Europe and North America is required. Specifically, during the mid-Valanginian (c.137Ma), a dramatic drop in sea level7,55,56 potentially reconnected Europe and North America and so permitted a fi al exchange of vertebrate clades across the Atlantic. Th s Valanginian event could also explain apparent faunal exchanges between these continents proposed for the late Hauterivian-early Barremian13. Taxa that seem to disperse in the Hauterivian/ Barremian might actually have done so during the Valanginian lowstand, but gaps in the fossil record mean that the results of these dispersals might not be detected until we access better sampled post-Valanginian deposits. 58 is available with a plate.[4] 57 is old, with only low-res global plates, ggl books preview has 138 Ma on p42. 56 I skipped. 55 is available[5] but is temporally low res. There's a 2016 paper Late Mesozoic North Atlantic land bridges[6], Elsevier paywalled with excerpts, and on sci-hub. And that's my time budget. [1] https://portal.gplates.org/cesium/?view=topo_recon https://portal.gplates.org/cesium/?view=topo_recon [2] rocks: https://portal.gplates.org/cesium/?view=GeologyR https://portal.gplates.org/cesium/?view=GeologyR key: https://portal.gplates.org/portal/geology/ https://portal.gplates.org/portal/geology/ [3] quote is on page 9: https://dinodata.de/bibliothek/pdf_d/2017/001_s41598-017-14677-2_dd.pdf https://dinodata.de/bibliothek/pdf_d/2017/001_s41598-017-146... [4] paper ref 58, 150/136 Ma plates on page 31, key on page 29, 3 MB but downloads slowly: https://archimer.ifremer.fr/doc/00117/22805/20913.pdf https://archimer.ifremer.fr/doc/00117/22805/20913.pdf [5] https://www.researchgate.net/profile/Golonka-Jan/publication/223212026_Phanerozoic_paleogeography_paleoenvironment_and_lithofacies_maps_of_the_circum-Atlantic_margins/links/5a7347a4458515512077bbc3/Phanerozoic-paleogeography-paleoenvironment-and-lithofacies-maps-of-the-circum-Atlantic-margins.pdf https://www.researchgate.net/profile/Golonka-Jan/publication... [6] Late Mesozoic North Atlantic land bridges (2016). Available on sci-hub. https://www.sciencedirect.com/science/article/abs/pii/S0012825216300794 https://www.sciencedirect.com/science/article/abs/pii/S00128...