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Mikko TuomiPrototaxites represents the first giant organisms to live on the terrestrial surface, reaching sizes of 8 metres in the Early Devonian.It was an extinct lineage of <a href="https://scicomm.xyz/tags/multicellular" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#multicellular</a> terrestrial <a href="https://scicomm.xyz/tags/eukaryotes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#eukaryotes</a>.Assignments to groups of multicellular algae or land plants have been repeatedly ruled out leaving two major alternatives: <a href="https://scicomm.xyz/tags/Prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prototaxites</a> was either a <a href="https://scicomm.xyz/tags/fungus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fungus</a> or a now entirely extinct lineage.The latter hypothesis seems more plausible based on nrw evidence.<a href="https://astrobiology.com/2025/03/ancient-prototaxites-dont-belong-to-any-living-lineage-possibly-a-distinct-branch-of-multicellular-earth-life.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://astrobiology.com/2025/03/ancient-prototaxites-dont-belong-to-any-living-lineage-possibly-a-distinct-branch-of-multicellular-earth-life.html</a>

ƧƿѦςɛ♏ѦਹѤʞIt's a fossil, but not as we know it. <a href="https://www.sciencealert.com/mysterious-giants-may-be-a-whole-new-kind-of-life-that-no-longer-exists" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.sciencealert.com/mysterious-giants-may-be-a-whole-new-kind-of-life-that-no-longer-exists</a> <a href="https://mastodon.social/tags/fungi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fungi</a> <a href="https://mastodon.social/tags/fossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fossil</a> <a href="https://mastodon.social/tags/fossils" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fossils</a> <a href="https://mastodon.social/tags/Silurian" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Silurian</a> <a href="https://mastodon.social/tags/Prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prototaxites</a>

Jake in the desertEver since their discovery more than 165 years ago, massive fossilized structures left by an organism known as Prototaxites approximately 400 years ago have proven impossible to categorize.Researchers in the UK suggest in a report (yet to be peer reviewed) that Protaxites are a type of organism with no modern equivalent<a href="https://www.sciencealert.com/mysterious-giants-may-be-a-whole-new-kind-of-life-that-no-longer-exists" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.sciencealert.com/mysterious-giants-may-be-a-whole-new-kind-of-life-that-no-longer-exists</a><a href="https://c.im/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://c.im/tags/fossils" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fossils</a> <a href="https://c.im/tags/Prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prototaxites</a> <a href="https://c.im/tags/paelontology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#paelontology</a> <a href="https://c.im/tags/weird" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#weird</a>

John Vaccaro (johniac)SciTech Chronicles. . . . . . . . .Mar 28th, 2025<a href="https://bit.ly/stc032825" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://bit.ly/stc032825</a><a href="https://mastodon.social/tags/Prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prototaxites</a> <a href="https://mastodon.social/tags/Devonian" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Devonian</a> <a href="https://mastodon.social/tags/Rhynie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Rhynie</a> <a href="https://mastodon.social/tags/chitin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#chitin</a> <a href="https://mastodon.social/tags/cellulose" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cellulose</a> <a href="https://mastodon.social/tags/delignifying" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#delignifying</a> <a href="https://mastodon.social/tags/lye" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lye</a> <a href="https://mastodon.social/tags/diethylenetriamine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#diethylenetriamine</a> <a href="https://mastodon.social/tags/ACC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ACC</a> <a href="https://mastodon.social/tags/hyperglycemic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hyperglycemic</a> <a href="https://mastodon.social/tags/hippocampus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hippocampus</a> <a href="https://mastodon.social/tags/anhedonia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#anhedonia</a> <a href="https://mastodon.social/tags/ANNs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ANNs</a> <a href="https://mastodon.social/tags/fMRI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fMRI</a> <a href="https://mastodon.social/tags/autoencoder" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#autoencoder</a> <a href="https://mastodon.social/tags/RSA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RSA</a> <a href="https://mastodon.social/tags/dairy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dairy</a> <a href="https://mastodon.social/tags/high" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#high</a>-value <a href="https://mastodon.social/tags/reuse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#reuse</a> <a href="https://mastodon.social/tags/upcycle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#upcycle</a>

unexplainedie<a href="https://www.unexplained.ie/article/1177-the-enigma-of-prototaxites-a-prehistoric-giant-defies-classification/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.unexplained.ie/article/1177-the-enigma-of-prototaxites-a-prehistoric-giant-defies-classification/</a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://mastodon.social/tags/prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#prototaxites</a> <a href="https://mastodon.social/tags/earth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#earth</a> <a href="https://mastodon.social/tags/unknown" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#unknown</a> <a href="https://mastodon.social/tags/prehuman" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#prehuman</a> <a href="https://mastodon.social/tags/unexplainedie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#unexplainedie</a> <a href="https://mastodon.social/tags/unexplained" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#unexplained</a>

Dave JBizarre <a href="https://dice.camp/tags/fossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fossil</a> may have been an entirely new type of <a href="https://dice.camp/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#life</a>. Chemical analysis suggests the 400-million-year-old fossil <a href="https://dice.camp/tags/Prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prototaxites</a> was neither plant, animal or fungus – hinting at a mysterious life form that went extinct long ago. <a href="http://archive.today/2025.03.21-191932/https://www.newscientist.com/article/2473272-bizarre-fossil-may-have-been-an-entirely-new-type-of-life/" rel="nofollow noopener noreferrer" translate="no" target="_blank">http://archive.today/2025.03.21-191932/https://www.newscientist.com/article/2473272-bizarre-fossil-may-have-been-an-entirely-new-type-of-life/</a> <a href="https://dice.camp/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://dice.camp/tags/palaeobotany" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#palaeobotany</a> <a href="https://dice.camp/tags/paleobotany" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#paleobotany</a> <a href="https://dice.camp/tags/biology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#biology</a> <a href="https://dice.camp/tags/botany" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#botany</a> <a href="https://dice.camp/tags/mycology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mycology</a> <a href="https://dice.camp/tags/taxonomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#taxonomy</a>

myrmepropagandistListen. I wasn't born yesterday. I know that fungi aren't plants: they don't have chloroplasts to photosynthesize. They don't use cellulose for their cell walls like plants.But what *do* they use then? Chitin! Like a bug! This is what the exoskeletons of insects (such as ants) are made of!The implications of this are marvelous. Consider <a href="https://sauropods.win/tags/prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#prototaxites</a> the tree-size fungi of the Silurian. They stood tall using chitin. And to me? THAT says that giant ants may be more possible than we think!

myrmepropagandistEveryone knows that <a href="https://sauropods.win/tags/Prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prototaxites</a> was a giant <a href="https://sauropods.win/tags/fungi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fungi</a> of The Age of the Fish. Towering giants that soared before "tree" or even "small fern" was even a vague notion. And then? The bugs ate them and THEY grew giant. (and hence came the golden age, the Carboniferous when bugs were big) Right?Maybe not. I just found out that there is a competing theory about these fossils. Maybe they weren't tree-like in form. Maybe they were more like ... rolled up rugs. 1/

DailyMegafaunaToday's <a href="https://synapse.cafe/tags/mega" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mega</a>...er... organisms...are prototaxites. These large, columnar fossils date to 240-350 million years, and stood 24 feet tall and 3 feet wide when they were alive. During this time period, both plants and animals on land were still quite small--meaning that <a href="https://synapse.cafe/tags/prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#prototaxites</a> formed the dominant feature of the land during the <a href="https://synapse.cafe/tags/Silurian" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Silurian</a> and <a href="https://synapse.cafe/tags/Devonian" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Devonian</a> periods. But what exactly were these giant spires? First described in 1859, they were originally thought to be very early trees. However, their internal structure of tiny, criss-crossing tubes suggests that this is not correct. Chemical analysis also indicates that prototaxites gained their energy from diverse sources--ruling out the idea that they were plants. This leads to the conclusion that prototaxites were giant, spire-like mushrooms--and the researchers who completed the analysis suggested that their height helped them to spread spores in an otherwise low-laying landscape. An alternative explanation--perhaps attempting to account for the prototaxites' unusual height--suggests that they were a matted mixture of liverworts, fungus, and cyanobacteria that got rolled up by external forces and never stood upright. This has been disputed based on the fossils' anatomy and chemical makeup.

Jens NotroffWhen <a href="https://mastodon.social/tags/mushrooms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mushrooms</a> ruled the world …So, here's the latest entry in Corrado Nai's <a href="https://mastodon.social/tags/VisibleFungi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VisibleFungi</a> <a href="https://mastodon.social/tags/SciComm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SciComm</a> project on all things <a href="https://mastodon.social/tags/fungi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fungi</a> in art, culture, and society:When Earth was crawling with critters and worms, not plants, but giant ancestors of <a href="https://mastodon.social/tags/fungi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fungi</a> dominated the world. With their 8-m height, <a href="https://mastodon.social/tags/prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#prototaxites</a> were by far the tallest organisms on Earth, about 400 million years ago (illustration: yours truly).Discover more in the related Wikipedia page: <a href="https://en.m.wikipedia.org/wiki/Fungi_in_art" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://en.m.wikipedia.org/wiki/Fungi_in_art</a>

cichlidenfreund 💉💉💉💉💉💉<a href="https://chaos.social/tags/Geologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Geologie</a> <a href="https://chaos.social/tags/Biologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Biologie</a> <a href="https://chaos.social/tags/Devon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Devon</a> <a href="https://chaos.social/tags/Pilze" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Pilze</a> <a href="https://chaos.social/tags/Prototaxites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prototaxites</a> <a href="https://www.scinexx.de/news/geowissen/sechs-meter-hoher-riesenpilz-identifiziert/" rel="nofollow noopener noreferrer" target="_blank">https://www.scinexx.de/news/geowissen/sechs-meter-hoher-riesenpilz-identifiziert/</a>und<a href="https://de.wikipedia.org/wiki/Prototaxites" rel="nofollow noopener noreferrer" target="_blank">https://de.wikipedia.org/wiki/Prototaxites</a>

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