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Providing information on the most underrated of amniotes: the reptiles

THE REPTIPAGETHE REPTIPAGE

Providing information on the most underrated of amniotes: the reptiles

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  • Dinosaurs | Crurotarsi | Sauropterygia | Pterosaurs
  • Everything wrong with Prehistoric Planet: Forests

    Posted on 23 June, 2025 13:44 by Jura Comment

    For a primer on this blog series and an FAQ see here.

     

    Other Episodes
    Coasts Deserts Freshwater Ice Worlds Forests
    Islands Badlands Swamps Oceans North America

     

    This episode features contributions from the following paleontology consultants:

    • Victoria Arbour
    • Steve Brusatte
    • Alexander Farnsworth
    • Scott Hartman
    • John Hutchinson
    • Robert Spicer
    • Paul Valdes
    • Mark Witton
    • Darren Naish

    Continue reading → Post ID 21950


    This entry was posted in Dinosaurs Extinct Reptiles Pterosaurs Uncategorized and tagged ankylosaur Austroposeidon carnotaurus dinosaurs documentary dromaeosaur Hatzegopteryx oviraptorosaur Prehistoric Planet Qianzhousaurus scientific accuracy Therizinosaurus triceratops
  • Everything Wrong with Prehistoric Planet: Ice Worlds

    Posted on 13 June, 2025 7:23 by Jura Comment

    For a primer on this blog series and an FAQ see here.

     

    Other Episodes
    Coasts Deserts Freshwater Ice Worlds Forests
    Islands Badlands Swamps Oceans North America

     

    This episode features advisement by the following paleontology consultants:

    • Victoria Arbour
    • Steve Brusatte
    • Alexander Farnsworth
    • Tony Fiorillo
    • Scott Hartman
    • John Hutchinson
    • Robert Spicer
    • Paul Valdes
    • Mark Witton
    • Darren Naish

    This episode is easily the most fanciful in its interpretations. It pushes a modern-day paleontology myth about a highly temperate Mesozoic that is worthy of a blog post all of its own. I’m keeping things tight here for the sake of the sin theme, but I’ll likely revisit this topic again in the future.

    Continue reading → Post ID 21950


    This entry was posted in Dinosaurs Extinct Reptiles Uncategorized and tagged cold mesozoic dinosaurs documentary Nanuqsaurus Olorotitan Pachyrhinosaurus paleo poles Prehistoric Planet scientific accuracy
  • Everything Wrong with Prehistoric Planet: Freshwater

    Posted on 17 May, 2025 20:13 by Jura 1 Comment

    For a primer on this blog series and an FAQ, see here.

    Other Episodes
    Coasts Deserts Freshwater Ice Worlds Forests
    Islands Badlands Swamps Oceans North America

    This episode features advisement by the following paleontology consultants:

    • Steve Brusatte
    • Alexander Farnsworth
    • Scott Hartman
    • John Hutchinson
    • Robert Spicer
    • Paul Valdes
    • Mark Witton
    • Darren Naish

    Continue reading → Post ID 21950


    This entry was posted in Dinosaurs Extinct Reptiles Pterosaurs Sauropterygia Uncategorized and tagged beelzebufo Deinocheirus dinosaurs documentary Masiakasaurus plesiosaur Prehistoric Planet pterosaurs scientific accuracy Velociraptor
  • Everything Wrong with Prehistoric Planet: Deserts

    Posted on 30 March, 2025 18:53 by Jura Comment

    For a primer on this blog series and an FAQ, see here.

     

    Other Episodes
    Coasts Deserts Freshwater Ice Worlds Forests
    Islands Badlands Swamps Oceans North America

     

     

    This episode features advisement by the following paleontology consultants:

    • Victoria Arbour
    • Steve Brusatte
    • John Conway
    • Alexander Farnsworth
    • Scott Hartman
    • John Hutchinson
    • Robert Spicer
    • Paul Valdes
    • Mark Witton
    • Darren Naish

     

    Continue reading → Post ID 21950


    This entry was posted in Dinosaurs Extinct Reptiles Pterosaurs Uncategorized and tagged dinosaurs documentary Dreadnoughtus Mononykus Prehistoric Planet scientific accuracy Tarbosaurus Velociraptor
  • Everything Wrong with Prehistoric Planet: Coasts

    Posted on 8 March, 2025 0:19 by Jura 4 Comments

    For a primer on this blog series and an FAQ, see here.

    Other Episodes
    Coasts Deserts Freshwater Ice Worlds Forests
    Islands Badlands Swamps Oceans North America

     

    This episode features advisement by the following paleontology consultants:

    • Steve Brusatte
    • Alexander Farnsworth
    • Kiersten Formoso
    • Michael Habib
    • Scott Hartman
    • John Hutchinson
    • Luke Muscutt
    • Peter Skelton
    • Robert Spicer
    • Paul Valdes
    • Mark Witton
    • Darren Naish

    Continue reading → Post ID 21950


    This entry was posted in Dinosaurs Extinct Reptiles Pterosaurs Sauropterygia Uncategorized and tagged dinosaurs documentary mosasaur plesiosaur Prehistoric Planet pterosaurs scientific accuracy
  • Everything wrong with Prehistoric Planet: FAQ

    Posted on 8 March, 2025 0:05 by Jura Comment

    This has been an idea that I toyed around with ever since the original marketing push for the show. It was clear to me then that the show was going to portray a very distinct narrative regarding dinosaur paleobiology and paleoecology. When the series originally came out I watched it, took my notes and then sat on it. I did this in part because I knew that most people would view the criticism as petty whining or complaints about dinosaurs not looking the way that “I” think they should, or any of the other complaints I received the last time I shot down these “documentaries”. So I let it go.

    The first season of Prehistoric Planet came and went with a bunch of fanfare from the paleophile crowd but very little movement on the pop culture barometer (being shackled to Apple TV+ really limits the reach of the series). No harm no foul. Except that to date no one has really tackled the myriad problems with the show’s factual accuracy. As far as internet history is concerned, Prehistoric Planet is a resounding success for paleontology and science communication.

    Then “season 2” came out to a similar amount of hype. I was intending to release this post during then but sat on it again. This time was because I got too busy IRL. Now, here we are some two years after the original came out and with us on the cusp of a new Walking with Dinosaurs series, I’m finally publishing this.

    This post is the first of an 11-part series done in the style of the CinemaSins YouTube series. Each installment covers an episode. This installment covers the MLQs or Most Likely Questions (can’t be an FAQ if no one has asked it yet). The goal is to cut off some of the most common questions before I (inevitably) see them in the comments.

    Continue reading → Post ID 21950


    This entry was posted in Dinosaurs Extinct Reptiles Uncategorized and tagged dinosaurs documentary Prehistoric Planet scientific accuracy
  • Prehistoric Planet vs. Jurassic World. Different Receptions to Fictional Dinosaurs

    Posted on 11 June, 2022 23:01 by Jura 7 Comments

    In the past few weeks we have seen the introduction of two major additions to dinosaur media. Both come from well-established franchises, but only one of these is getting lambasted by the online paleo community. Why is that?

    More specifically, why has Jurassic World: Dominion received a mix of resignation and revulsion whereas Prehistoric Planet has garnered near universal praise.

    I mean, they both portray fictional dinosaurs?

    Continue reading → Post ID 21950


    This entry was posted in Dinosaurs Extinct Reptiles Pterosaurs Uncategorized and tagged Apple TV+ Jurassic World jurassic world dominion Prehistoric Planet scientific accuracy
  • Archives of the Dinosaur Mailing List (DML)

    Posted on 14 December, 2021 21:11 by Jura 2 Comments
    Here lies the DML. Long live the DML

    [Editors note: See update on the archive below]

    In the field of vertebrate paleontology and associated paleophilia, the Dinosaur Mailing List (DML) was an invaluable source of information and networking opportunities. For many—including myself—the DML was a formative experience.

    Started back in late 1993/1994 at the University of Pennsylvania, the list initially ran internally with individuals on the list exchanging e-mails back and forth. Then, a few months later, the Cleveland Museum of Natural History agreed to host an archive of these e-mails, creating the now venerable Dinosaur Mailing List Archive. In its heyday, the DML would readily see an influx of more than 100 e-mails a day, covering everything from pack-hunting in theropods to the latest buzz on yet to be published fossils.

    Sadly, over the years and with the rise of social media, the list has fallen into disarray with fewer practicing paleontologists (and people in general) using it. As of this writing the DML sees a handful (1–5) e-mails a day with almost all of them being links to recently released papers and associated news articles (courtesy of the ever diligent Ben Creisler). While the present version of the list is but a shell of its former self it is the immense history of the archive that matters. 27 years of correspondence from various paleontologists throwing around ideas and challenging hypotheses. More than just offering a fascinating glimpse into the past, the DML archive has proven influential enough to even get cited in publication (e.g., Witton and Habib 2010).

    Unfortunately, earlier this year the Dinosaur Mailing List suddenly disappeared from its former location (dml.cmnh.org). Their host, the Cleveland Museum of Natural History, could no longer afford to maintain the archive on the site, forcing it to shut down. DML owner and listserv moderator, Mickey Rowe, attempted to find another host but to no avail. Thus, in late summer 2021 the DML archive officially disappeared from the internet.

    Thankfully, through diligent efforts from Nick Gardner and others, a copy of the archive, prior to shutdown, was obtained from Rowe and distributed freely to anyone willing to host the archives. The hope is that with enough redundant backups out there the archive should never disappear again.

    So, I’m doing my part. The DML Archives from April 1994 to May 2021 can now be accessed on the Reptipage.

    The new archive link can be accessed here: https://reptilis.net/DML/dinosaur.html

    You will also find a menu link at the top of the blog.

    We are still waiting to see where the new archive of the DML will land (for now, no e-mails are being archived). Hopefully, the DML will continue to find a home somewhere. If not, and this is the end of an era, this mirror will be one of the many headstones for this once illustrious interaction of amateurs and professionals.

    Major Update: The University of Southern California has picked up the mantle and started archiving new messages from the DML. 

    https://mymaillists.usc.edu/sympa/info/dinosaur-l

    However, one must be a member of the Dinosaur Mailing List to access the archive. 

    Thanks to Mary Kirkaldy and Ben Creisler for the following information on how to properly get access to the new DML archive (see instructions below).

    To join the DML, you will first need to send a message to sympa@mymaillists.usc.edu from the address that you want to use to subscribe to the list.

    In the subject line, put: subscribe dinosaur-l First Name Last Name.

    Change “First Name Last Name” to your name or the name you want to use.

    Subscription is free.

    The next step is to access information about your subscription to the dinosaur mailing list. Go to: https://mymaillists.usc.edu/sympa

    The first time you visit the site, click on: “First login?” at the upper left of the page.

    Enter your e-mail address and click the “Request first password” button. The site will e-mail you a message with a link.

    Clicking that link will take you back to the site with a page asking you to enter a password twice.

    Once you are logged in, any lists you are subscribed to will appear in a pane on the left. Click on “dinosaur-l” to access your subscription options.

    You can also type “dinosaur” in the Search List on the left. It should bring up the DML main page. From there, click on Archive on the left. It should open and allow you to choose a month.

    If you would like to learn about your subscription options and how to change them, click the “help” tab near the top right. If you are set to digest mode, note that it is in MIME format for the digests. There is an option for plain text if you don’t like the MIME format. The list is configured to send out a reminder once every two months.

    This isn’t as easily accessed as it was in the past, but it’s a heck of a lot better than no archiving at all.

    ~Jura


    This entry was posted in Crurotarsi Dinosaurs Extinct Reptiles Pterosaurs Sauropterygia Uncategorized and tagged dinosaur mailing list dinosaurs dml dml archive paleontology
  • Were pterosaurs naked after all?

    Posted on 5 July, 2021 21:30 by Jura 5 Comments
    Dueling interpretations of the pterosaur, Coloborhynchus clavirostris. Image by Megan Jacobs

    Although 2020 was an all around shit show for the world, there were a few interesting bits of paleontology. Perhaps none more interesting than this potential overhaul to pterosaur reconstructions. Now, I haven’t really written anything about pterosaurs on my site yet (aside from some basic rundowns of news stories), so this marks an interesting way of christening the occasion. Pterosaurs are a fascinating group of critters that showcase yet another example of how animals can get airborne. They are also enigmatic in their origin and evolution.

    One thing that we seemed to be confident about for a long time now is that pterosaurs had fuzz. It wasn’t fur in the mammal sense, and it sure as hell wasn’t feathers (more on that in a minute), but instead a third (or fifth, when counting arthropods and some plants) form of insulative covering. At least, that’s what I thought we knew up until about last year.

    It may just turn out that this seemingly rock-solid interpretation of pterosaur outer coverings has been wrong all along.

    Continue reading → Post ID 21950


    This entry was posted in Extinct Reptiles Pterosaurs Uncategorized and tagged actinofibril aktinofibril feathers glabrous skin integument protofeathers pterosaur pterosaurs pycnofibre scales
  • Dinosaur eggshells prove that dinosaurs weren’t molluscs.

    Posted on 18 February, 2020 21:49 by Jura Comment
    Chicken egg lit up using the candling method. Image from backyarchickens.com

    This week saw the release of a new paper that has implications for dinosaur metabolism.

    Dawson, R.R., Field, D.J., Hull, P.M., Zelenitsky, D.K., Therrien, F., Affek, H.P. 2020. Eggshell Geochemistry Reveals Ancestral Metabolic Thermoregulation in Dinosauria. Sci. Adv. 6:eaax9361. (Open Access)

    The paper makes some pretty hefty claims regarding dinosaur metabolism, and as such, has received a fair share of media coverage touting this as the latest evidence for “warm-blooded” (i.e., automatic endothermic) dinosaurs.

    Every time there is a major headline like that, I feel obliged to go back to the source to see what the media has likely overblown. In this case, media claims don’t seem that far off what was written in the actual paper, which is not necessarily good. Some of these claims do extend beyond the reach of the available evidence (e.g., there actually is no comparison with other contemporaneous reptiles of the region, weakening any arguments for metabolic thermoregulation).

    It’s been an age since I’ve done one of these paper breakdowns, but I think this one warrants a more thorough analysis, especially given the implications of the interpretations.

    Continue reading → Post ID 21950


    This entry was posted in Dinosaurs Extinct Reptiles Uncategorized and tagged bradymetabolic cold blooded dinosaurs eggshells gigantothermy mesothermy paleophysiology temperature thermophysiology warm-blooded

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