https://cnas.ucr.edu/ en https://cnas.ucr.edu/media/2020/03/23/worm-creature-first-ancestor-human-and-animal-family-tree <span>This worm-like creature is the first ancestor on the human and animal family tree</span> <span><span>ilseu</span></span> <span><time datetime="2020-03-23T14:56:51-07:00" title="Monday, March 23, 2020 - 14:56">Mon, 03/23/2020 - 14:56</time> </span> <a href="https://cnas.ucr.edu/in-the-media">More CNAS in the Media</a> Ashley Strickland| CNN <time datetime="2020-03-23T12:00:00Z">March 23, 2020</time> <p>CNN - Evidence of a worm-like creature about the size of a grain of rice has been uncovered in South Australia, and researchers believe it is the oldest ancestor on the family tree that includes humans and most animals.</p> <p>The creature lived 555 million years ago.</p> <p>"We thought these animals should have existed during this interval, but always understood they would be difficult to recognize," Evans said. "Once we had the 3D scans, we knew that we had made an important discovery."</p> <p><a aria-label="Read the Article" class="btn-ucr" href="https://www.cnn.com/2020/03/23/world/animal-ancestor-ikaria-scn/index.html" target="_blank" title="Read the Article">READ THE article</a></p> <p>&nbsp;</p> <div class="tags-title">Tags</div> <div class="tags-list"> <div><a href="https://cnas.ucr.edu/tags/department-earth-planetary-sciences" hreflang="en">Department of Earth &amp; Planetary Sciences</a></div> <div><a href="https://cnas.ucr.edu/tags/mary-droser" hreflang="en">Mary Droser</a></div> <div><a href="https://cnas.ucr.edu/tags/nilpena-station" hreflang="en">Nilpena Station</a></div> </div> <div class="sharing-title">Share This</div><span class="a2a_kit a2a_kit_size_32 addtoany_list" data-a2a-url="https://cnas.ucr.edu/media/2020/03/23/worm-creature-first-ancestor-human-and-animal-family-tree" data-a2a-title="This worm-like creature is the first ancestor on the human and animal family tree"><a class="a2a_button_facebook"></a><a class="a2a_button_x"></a><a class="a2a_button_linkedin"></a><a class="a2a_button_google_plus"></a><a class="a2a_button_email"></a><a class="a2a_button_printfriendly"></a><a class="a2a_dd addtoany_share" aria-label="more options to share" href="https://www.addtoany.com/share#url=https%3A%2F%2Fcnas.ucr.edu%2Fmedia%2F2020%2F03%2F23%2Fworm-creature-first-ancestor-human-and-animal-family-tree&amp;title=This%20worm-like%20creature%20is%20the%20first%20ancestor%20on%20the%20human%20and%20animal%20family%20tree"></a></span><script> (function () { const customClassName = 'show-for-sr'; const targetContainer = document.querySelector('.a2a_kit.addtoany_list'); if (!targetContainer) return; const addClassToLabels = () => { const labels = targetContainer.querySelectorAll('.a2a_label'); if (labels.length > 0) { labels.forEach(label => { if (!label.classList.contains(customClassName)) { label.classList.add(customClassName); } }); console.log('Successfully applied show-for-sr class to AddToAny labels.'); return true; } return false; }; const observerConfig = { childList: true, subtree: true }; const observer = new MutationObserver((mutationsList, observer) => { if (addClassToLabels()) { observer.disconnect(); } }); if (!addClassToLabels()) { observer.observe(targetContainer, observerConfig); } })(); </script> Mon, 23 Mar 2020 21:56:51 +0000 ilseu 1521 at https://cnas.ucr.edu