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Michael HesemannToday under the microscope aged ~155.000.000 years old: The foraminifera Epistomina ornata (I think) from the Kimmeridgian, Dorset coast, UK. See more at <a href="https://foraminifera.eu/single.php?no=1025377&aktion=suche" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://foraminifera.eu/single.php?no=1025377&aktion=suche</a><a href="https://mastodon.social/tags/foraminifera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#foraminifera</a> <a href="https://mastodon.social/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</a> <a href="https://mastodon.social/tags/micropalaeontology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#micropalaeontology</a> <a href="https://mastodon.social/tags/Jurassic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Jurassic</a> <a href="https://mastodon.social/tags/microscopy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microscopy</a>

Lukas VFN 🇪🇺Dr Erica Barlow picked up a rock by chance 10 years ago. It might hold the oldest form of complex life on Earth <a href="https://news.unsw.edu.au/en/erica-picked-up-a-rock-10-years-ago-it-might-hold-the-oldest-form-of-complex-life-on-earth" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://news.unsw.edu.au/en/erica-picked-up-a-rock-10-years-ago-it-might-hold-the-oldest-form-of-complex-life-on-earth</a> Distinctive <a href="https://scholar.social/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</a> supports early <a href="https://scholar.social/tags/Paleoproterozoic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Paleoproterozoic</a> rise in complex cellular organisation <a href="https://onlinelibrary.wiley.com/doi/10.1111/gbi.12576" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://onlinelibrary.wiley.com/doi/10.1111/gbi.12576</a>"the age estimate coincides with the <a href="https://scholar.social/tags/GreatOxidationEvent" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GreatOxidationEvent</a>... The sharp rise of oxygen has been linked to the development of complex life on Earth, but we haven’t had the fossil record to demonstrate this – until now."

Lukas VFN 🇪🇺<a href="https://scholar.social/tags/Plankton" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Plankton</a> evidence reveals a seasonally ice-free ocean during the Last Interglacial <a href="https://phys.org/news/2023-08-plankton-evidence-reveals-seasonally-ice-free.html" rel="nofollow noopener noreferrer" target="_blank">https://phys.org/news/2023-08-plankton-evidence-reveals-seasonally-ice-free.html</a> <a href="https://scholar.social/tags/protists" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#protists</a> <a href="https://scholar.social/tags/forams" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#forams</a> A seasonally ice-free Arctic Ocean during the Last <a href="https://scholar.social/tags/Interglacial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Interglacial</a>: Flor Vermassen et al. <a href="https://www.nature.com/articles/s41561-023-01227-x" rel="nofollow noopener noreferrer" target="_blank">https://www.nature.com/articles/s41561-023-01227-x</a>"A subpolar species associated with <a href="https://scholar.social/tags/Atlantic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Atlantic</a> water expanded far into the <a href="https://scholar.social/tags/Arctic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Arctic</a> Ocean during the <a href="https://scholar.social/tags/LastInterglacial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LastInterglacial</a>, analysis of <a href="https://scholar.social/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</a> content of <a href="https://scholar.social/tags/SedimentCores" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SedimentCores</a> reveals. This implies that summers in the <a href="https://scholar.social/tags/Arctic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Arctic</a> were ice free during this period."

Dr Micha CampbellApplications are now open for the Leanne Armand Travel Award. The award honours the late Prof. Leanne Armand, and aims to facilitate Australia-based ECRs and MCRs to become microfossil experts. Applications are due COB September 15, more details at the link below.<a href="https://aqua.org.au/sample-page/the-leanne-armand-travel-award/" rel="nofollow noopener noreferrer" target="_blank">https://aqua.org.au/sample-page/the-leanne-armand-travel-award/</a><a href="https://fediscience.org/tags/AusQuaternary" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AusQuaternary</a> <a href="https://fediscience.org/tags/palaeontology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#palaeontology</a> <a href="https://fediscience.org/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</a> <a href="https://fediscience.org/tags/diatom" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#diatom</a> <a href="https://fediscience.org/tags/palaeoclimate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#palaeoclimate</a> <a href="https://fediscience.org/tags/ECR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ECR</a> <a href="https://fediscience.org/tags/MCR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MCR</a> <a href="https://fediscience.org/tags/PhDChat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PhDChat</a>

Edwin Rodriguez<a href="https://mastodon.scot/tags/FossilFriday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FossilFriday</a>, a good moment to highlight the curious <a href="https://mastodon.scot/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</a> Eohalothece lacustrina, a lacustrine cyanobacterium from the Meso-Neoproterozoic discovered in two different sites of same geological age: Torridon Group (Scotland, UK) and Nonesuch Formation (Michigan, USA). 1/2

Michael HesemannThe Foraminifera.eu Newsletter 2023 is out. You may get the PDF by contacting me. Michael <a href="https://mastodon.social/tags/foraminifera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#foraminifera</a> <a href="https://mastodon.social/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ocean</a> <a href="https://mastodon.social/tags/deepsea" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#deepsea</a> <a href="https://mastodon.social/tags/marinescience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#marinescience</a> <a href="https://mastodon.social/tags/benthic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#benthic</a> <a href="https://mastodon.social/tags/micropaleontology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#micropaleontology</a> <a href="https://mastodon.social/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</a> <a href="https://mastodon.social/tags/paleontology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#paleontology</a>

Michael HesemannThe epiphytic <a href="https://mastodon.social/tags/foraminifera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#foraminifera</a> Rosalina having settled on seagras in the Late <a href="https://mastodon.social/tags/Pliocene" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Pliocene</a> Early <a href="https://mastodon.social/tags/Pleistocene" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Pleistocene</a> at Kritika on <a href="https://mastodon.social/tags/Rhodes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Rhodes</a>, Greece. Today in my samples. <a href="https://mastodon.social/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</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/paleontology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#paleontology</a> <a href="https://mastodon.social/tags/micropalentology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#micropalentology</a>

Michael HesemannI found these hats quite often in a Chattian (Upper Oligocene) sediment sample from Doberg, Germany. Which genus / species could it be ? ... <a href="https://mastodon.social/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</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/ForamFriday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ForamFriday</a> <a href="https://mastodon.social/tags/micropaleontology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#micropaleontology</a> <a href="https://mastodon.social/tags/Oligocene" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Oligocene</a>

Lukas VFN 🇪🇺When was the first time life began to prey on each other? <a href="https://phys.org/news/2022-12-life-began-prey.html" rel="nofollow noopener noreferrer" target="_blank">https://phys.org/news/2022-12-life-began-prey.html</a>A case for an active <a href="https://scholar.social/tags/eukaryotic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#eukaryotic</a> marine <a href="https://scholar.social/tags/biosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#biosphere</a> during the <a href="https://scholar.social/tags/Proterozoic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Proterozoic</a> era: Lisa Eckford-Soper et al. <a href="https://www.pnas.org/doi/abs/10.1073/pnas.2122042119" rel="nofollow noopener noreferrer" target="_blank">https://www.pnas.org/doi/abs/10.1073/pnas.2122042119</a>"We use a size- & trait-based ecosystem model to show that the <a href="https://scholar.social/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</a> record is most compatible with an active <a href="https://scholar.social/tags/eukaryote" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#eukaryote</a> <a href="https://scholar.social/tags/ecosystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ecosystem</a> conducting <a href="https://scholar.social/tags/osmotrophy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#osmotrophy</a>, <a href="https://scholar.social/tags/photosynthesis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photosynthesis</a>, <a href="https://scholar.social/tags/phagotrophy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#phagotrophy</a>. Marine <a href="https://scholar.social/tags/ecosystems" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ecosystems</a> 1,700-780 Ma were far more active, diverse than generally thought."

Dr. Brad Rosenheim has moved!<a href="https://socialserver.science/@miekeroth" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@miekeroth</a> Fascinating! Have you ever been interested in marine <a href="https://climatejustice.rocks/tags/microfossil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microfossil</a> structure, namely <a href="https://climatejustice.rocks/tags/foraminifera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#foraminifera</a> and <a href="https://climatejustice.rocks/tags/pteropods" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pteropods</a>? I'm am a <a href="https://climatejustice.rocks/tags/paleoclimatologist" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#paleoclimatologist</a> and there are a lot of climate related questions that may be tackled with ability to print 3-D structures of those organisms.

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