Lukas VFN 🇪🇺<p>Rare <a href="https://scholar.social/tags/fossil" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossil</span></a> embryos show early <a href="https://scholar.social/tags/Ecdysozoa" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ecdysozoa</span></a> development in <a href="https://scholar.social/tags/Cambrian" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cambrian</span></a> era <a href="https://phys.org/news/2024-12-rare-fossil-embryos-early-ecdysozoa.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2024-12-rare-fos</span><span class="invisible">sil-embryos-early-ecdysozoa.html</span></a> paper: <a href="https://www.sciencedirect.com/science/article/abs/pii/S0031018224006242" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencedirect.com/science/arti</span><span class="invisible">cle/abs/pii/S0031018224006242</span></a> </p><p>"it suggests a bag-shaped body is likely primitive for <a href="https://scholar.social/tags/ecdysozoans" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ecdysozoans</span></a> (a diverse group of <a href="https://scholar.social/tags/animals" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>animals</span></a> including <a href="https://scholar.social/tags/roundworms" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>roundworms</span></a>, velvet <a href="https://scholar.social/tags/worms" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>worms</span></a>, <a href="https://scholar.social/tags/insects" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>insects</span></a>, and <a href="https://scholar.social/tags/crabs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>crabs</span></a>), while a vermiform body, characteristic of crown-group ecdysozoans, evolved later."</p>