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#fossilfriday

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J of Systematics and Evolution<p>🌳The mysterious tree <a href="https://mstdn.science/tags/mouse" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mouse</span></a> strikes again!🐭<br>Kang et al. explore the impact of <a href="https://mstdn.science/tags/climate" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>climate</span></a> change on the <a href="https://mstdn.science/tags/evolutionary" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>evolutionary</span></a> dynamics of family Platacanthomyidae, the most enigmatic taxa within Rodentia!<br><a href="https://doi.org/10.1111/jse.13200" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1111/jse.13200</span><span class="invisible"></span></a> @WileyEcolEvol <a href="https://mstdn.science/tags/evolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>evolution</span></a> <a href="https://mstdn.science/tags/systematics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>systematics</span></a> <a href="https://mstdn.science/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://mstdn.science/tags/JSE" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JSE</span></a></p>
Chris Lombardi<p>DolphinSeeker@mstdn.social - ‘Deceptively cute’ ancient whale with razor-sharp teeth and eyes the size of tennis balls discovered in Australia <a href="https://www.theguardian.com/environment/2025/aug/13/deceptively-cute-ancient-whale-with-razor-sharp-teeth-and-eyes-the-size-of-tennis-balls-discovered-in-australia" rel="nofollow noopener" target="_blank">www.theguardian.com/environment/...</a> 🐋 <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23Cetaceans" target="_blank">#Cetaceans</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23MarineMammals" target="_blank">#MarineMammals</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23MarineLife" target="_blank">#MarineLife</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23MarineBiology" target="_blank">#MarineBiology</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23Whales" target="_blank">#Whales</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23Science" target="_blank">#Science</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23FossilFriday" target="_blank">#FossilFriday</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23Prehistoric" target="_blank">#Prehistoric</a><br><br><a href="https://www.theguardian.com/environment/2025/aug/13/deceptively-cute-ancient-whale-with-razor-sharp-teeth-and-eyes-the-size-of-tennis-balls-discovered-in-australia" rel="nofollow noopener" target="_blank">‘Deceptively cute’ ancient wha...</a></p>
llewelly<p>Palaeocast has finally released part 2 of the wonderful interview with Dr Yara Haridy, about the origin of teeth ... which is stranger than you think .</p><p><a href="https://www.palaeocast.com/origin-of-teeth/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">palaeocast.com/origin-of-teeth/</span><span class="invisible"></span></a></p><p><a href="https://sauropods.win/tags/fossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossilFriday</span></a><br><a href="https://sauropods.win/tags/fossils" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossils</span></a><br><a href="https://sauropods.win/tags/teeth" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>teeth</span></a><br><a href="https://sauropods.win/tags/vertebrates" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>vertebrates</span></a></p>
Kate :verigold:<p>‘Deceptively cute’ ancient whale with razor-sharp teeth and eyes the size of tennis balls discovered in Australia <a href="https://www.theguardian.com/environment/2025/aug/13/deceptively-cute-ancient-whale-with-razor-sharp-teeth-and-eyes-the-size-of-tennis-balls-discovered-in-australia" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">theguardian.com/environment/20</span><span class="invisible">25/aug/13/deceptively-cute-ancient-whale-with-razor-sharp-teeth-and-eyes-the-size-of-tennis-balls-discovered-in-australia</span></a> 🐋 <a href="https://mstdn.social/tags/Cetaceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cetaceans</span></a> <a href="https://mstdn.social/tags/MarineMammals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineMammals</span></a> <a href="https://mstdn.social/tags/MarineLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineLife</span></a> <a href="https://mstdn.social/tags/MarineBiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineBiology</span></a> <a href="https://mstdn.social/tags/Whales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Whales</span></a> <a href="https://mstdn.social/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> <a href="https://mstdn.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://mstdn.social/tags/Prehistoric" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Prehistoric</span></a></p>
Marcus Brandel<p>Happy <a href="https://ecoevo.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> - The Pleistocene cat Petra, found in Virginia's Burja Cave, is now on display at the Virginia Museum of Natural History. Identified as an early puma, it could not be radiocarbon dated, indicating the cat is over 50,000 years old.</p><p>Dr. Alex Hastings of the Science Museum of Minnesota, pictured, was part of the recovery team after training to enter the cave's slick vertical passages.</p><p>Photo credit: <a href="http://www.virginiaplaces.org" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">http://www.</span><span class="">virginiaplaces.org</span><span class="invisible"></span></a></p><p>See more: @tarplifeadventures <a href="https://www.instagram.com/p/DNTSTdcRIE5/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">instagram.com/p/DNTSTdcRIE5/</span><span class="invisible"></span></a></p>
Adam S. Smith<p>Calling all comparative anatomists! </p><p>In The Empire Strikes Back, what real world animal does the prop vertebral column in the Wampa's ice cave belong to? They look like genuine casts of a mammal of some sort. I'm wondering if they could actually be cast bones from a Mastodon...</p><p><a href="https://sauropods.win/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://sauropods.win/tags/Mastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mastodon</span></a> <a href="https://sauropods.win/tags/StarWars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>StarWars</span></a> <a href="https://sauropods.win/tags/Wampa" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wampa</span></a></p>
Kate :verigold:<p>Italian Farmer Stumbles Upon Largest Blue Whale Fossil Ever Found <a href="https://allthatsinteresting.com/italy-largest-blue-whale-fossil" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">allthatsinteresting.com/italy-</span><span class="invisible">largest-blue-whale-fossil</span></a> 🐋 <a href="https://mstdn.social/tags/Cetaceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cetaceans</span></a> <a href="https://mstdn.social/tags/MarineMammals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineMammals</span></a> <a href="https://mstdn.social/tags/MarineLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineLife</span></a> <a href="https://mstdn.social/tags/MarineBiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarineBiology</span></a> <a href="https://mstdn.social/tags/Whales" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Whales</span></a> <a href="https://mstdn.social/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> <a href="https://mstdn.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://mstdn.social/tags/Prehistoric" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Prehistoric</span></a></p>
Adam S. Smith<p>Replica of the Japanese elasmosaurid plesiosaur Futabasaurus on display in the NHM London's touring Jurassic Oceans: Monsters of the Deep exhibition at the Denver Museum of Nature and Science. The exhibition is about prehistoric sea life beyond the Jurassic. Indeed, Futabasaurus is from the Late Cretaceous.</p><p>Picture by <span class="h-card" translate="no"><a href="https://sauropods.win/@crazy8wizard" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>crazy8wizard</span></a></span> used with permission.</p><p><a href="https://sauropods.win/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://sauropods.win/tags/plesiosaur" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>plesiosaur</span></a> <a href="https://sauropods.win/tags/fossil" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossil</span></a> <a href="https://sauropods.win/tags/NHM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NHM</span></a> <a href="https://sauropods.win/tags/paleontology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>paleontology</span></a> <a href="https://sauropods.win/tags/skeleton" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>skeleton</span></a></p>
The Dinosaur Dave<p>This week for <a href="https://sauropods.win/tags/Fossilfriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fossilfriday</span></a> we have another <a href="https://sauropods.win/tags/Guess" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Guess</span></a> that <a href="https://sauropods.win/tags/Lego" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Lego</span></a> <a href="https://sauropods.win/tags/Fossil" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fossil</span></a>. </p><p>This one I would rate as easy. This frozen theropod is known to have a cool crest.</p><p>Reminder: hide your answer behind a content warning. This will allow others to guess without a hint. I will post the answer tomorrow (and to anyone who guesses correctly).</p><p>This was designed by me</p>
llewelly<p>wow. _Structure and Evolution of a Sauropod Tooth Battery_ (Sereno and Wilson, 2005) contains several stereo pairs of the weird skull of Nigersaurus. And they picked the kind that's still easy for my eyes to do. I'm really appreciating these, and they look great, even in a printed volume. (I know, I know, many more people can make use of 3d red-cyan glasses, but I can't find mine.)</p><p><a href="https://sauropods.win/tags/sauropods" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sauropods</span></a><br><a href="https://sauropods.win/tags/fossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossilFriday</span></a><br><a href="https://sauropods.win/tags/dinosaurs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dinosaurs</span></a></p>
The Dinosaur Dave<p>This weeks <a href="https://sauropods.win/tags/Lego" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Lego</span></a> <a href="https://sauropods.win/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> is <a href="https://sauropods.win/tags/Pterodactylus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Pterodactylus</span></a> </p><p>After 1767, before 1780, an odd fossil was unearthed from the Solnhofen limestone of Bavaria.</p><p>Around 1780, Count Friedrich Ferdinand zu Pappenheim gave the specimen to the Naturalienkabinett, or nature cabinet of curiosities (a precursor to the modern concept of the natural history museum)</p><p>In 1784, Italian scientist Cosimo Alessandro Collini, described the the first specimen, naming it Pterodactylus antiquus.</p>
Jonathan T<p>Every time I idly wonder how Smilodon or any other sabre-toothed cat could possibly open its mouth wide enough to bite into anything with such large teeth I see either my own cat - or a video of a cat - yawning and the doubt is removed.</p><p><a href="https://mastodon.me.uk/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> <a href="https://mastodon.me.uk/tags/SubToot" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SubToot</span></a></p>
Niels Nielsen, geographer<p><a href="https://mastodonapp.uk/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a> with images from Evolutionsmuseet, museum of evolution, Knuthenborg, Lolland, Denmark</p>
Historical Biology<p>For <a href="https://mastodon.social/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FossilFriday</span></a>, we have a fossil from our editor Cecilia Cataldo.</p><p>This fossil is the gastropod Paleoanculosa macrochilinoides (CNAM-PI 24522) from the Lower Cretaceous of Argentina. These fossils notably show repaired shell damage as a result of attacks by one or more unknown durophagous predators 🐚</p>

New blog post!

I continue the in-depth discussion of ribs, with a look at a fossil #whale.

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#FossilFriday #paleontology #fossil

life-from-a-certain-point-of-v

Life...From a Certain Point of View · Dense ribs aren't just for sea cowsSea cows aren’t the only animals with dense ribs.

This week for #Fossilfriday we have another #Guess that #Lego #Fossil.

This one I would rate as medium. This small flying reptiles is sometimes confused with its far far larger cousin.

Reminder: hide your answer behind a content warning. This will allow others to guess without a hint. I will post the answer tomorrow (and to anyone who guesses correctly).

This was designed by InfiniteCreativity

This weeks #Lego #FossilFriday is #Monolophosaurus

In 1981, Dong Zhiming found a nearly complete skeleton during a stratigraphic exploration funded by the oil industry

In 1984 the fossil was finally unearthered

In 1987, before being formally described, it was called Jiangjunmiaosaurus in the press. This is a nomen nudum (a name with inadequate description, thus its invalid).

In 1993/1994, Zhao Xijin and Philip John Currie named and described the type species Monolophosaurus jiangi