Keegy Argentina - Nectocaris pteryx, el misterioso fósil de calamar carnívoro de 500 millones de años

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Durante ese período aparecieron por primera vez en el registro fósil organismos pluricelulares más complejos que las esponjas o las medusas. </p> <p></p> </div> <div class="meta"> <a title="Ver comentarios o añadir uno nuevo en esta noticia" class="comments" href="http://web.archive.org/web/20100531144421/http://www.keegy.com/post/nectocaris-pteryx-el-misterioso-fosil-de-calamar-carnivoro-de-500-millones-de-anos/comments/">0 Comentarios</a> <a title="Enviá esta noticia a tus amigos" class="thickbox share" href="/web/20100531144421/http://www.keegy.com/share/19992534/?KeepThis=true&TB_iframe=true&height=350&width=420" rel="nofollow">compartilo</a> <a title="Marcar esta noticia como contenido no apropiado y no volver a mostrarla" class="bury keep" href="" rel="19992534">denunciar</a> <span class="source"> <a class="flag" href="http://web.archive.org/web/20100531144421/http://ar.keegy.com/"><img title="España" src="http://web.archive.org/web/20100531144421im_/http://statics.keegy.com/images/flags/es.gif"/></a> <a href="http://web.archive.org/web/20100531144421/http://www.keegy.com/user/chupi">Jesus C.</a> </span> — <span class="date"> Hace 4 dias </span> </div> <br class="clear"/> </td></tr></table> </div> <div class="premiumAds"> <script language="JavaScript">  </script>  <script language="JavaScript" src="http://web.archive.org/web/20100531144421js_/http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </div> </div> <div class="side"> <div class="pagetool"> <span class="auxtop"></span> <div class="userInfo first"> <img class="isFriend hide" src="http://web.archive.org/web/20100531144421im_/http://statics.keegy.com/images/is_friend.png" alt="" title="chupi es tu amigo!"/> <img height="60" width="60" class="avatarBig" src="http://web.archive.org/web/20100531144421im_/http://statics.keegy.com/img/usr/22/00094223" alt=""/> <h4 class="title"><a href="http://web.archive.org/web/20100531144421/http://www.keegy.com/user/chupi">Jesus Caceres</a></h4> <p class="subtitle"> <attr title="Also Known As">aka</attr> <strong>chupi</strong> <br/> Miembro desde <strong>15 agosto 08</strong> </p> </div> <div id="userStatus" class="userStatus"> <span class="auxtop"></span> <p class="status">¿Puede la mente liberarse a si misma? 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El Nectocaris pteryx es un carnívoro qu ...</p> </div> <div class="meta"> <a title="Enviá esta noticia a tus amigos" class="thickbox share" href="/web/20100531144421/http://www.keegy.com/share/19988000/?KeepThis=true&TB_iframe=true&height=350&width=420" rel="nofollow">compartilo</a> <a title="Marcar esta noticia como contenido no apropiado y no volver a mostrarla" class="bury keep" href="" rel="19988000">denunciar</a> <span class="source"> <a title="Keegy United States" class="flag" href="http://web.archive.org/web/20100531144421/http://us.keegy.com/"><img title="Keegy United States" src="http://web.archive.org/web/20100531144421im_/http://statics.keegy.com/images/flags/us.gif"/></a> <a href="http://web.archive.org/web/20100531144421/http://www.keegy.com/feed/noticias-abc-tecnologia/">Noticias...nología</a> </span> — <span class="date"> Hace 4 dias </span> </div> <br class="clear"/> </td></tr></table> </div> <div class="post main" id="post_19986822"> <table class="limit"><tr><td> <div class="votes "> <a href="http://web.archive.org/web/20100531144421/http://www.keegy.com/post/nectocaris-pteryx-un-enigmatico-fosil-antepasado-del-calamar/"> <span class="number">4</span> <span class="lyric">votos</span> </a> <span class="voteit" rel="59902/19986822/es_es_4">votalo</span> </div> <div class="content"> <div class="news"> <h2> <a href="http://web.archive.org/web/20100531144421/http://mundometeorologia.portalmundos.com/nectocaris-pteryx-un-enigmatico-fosil-antepasado-del-calamar/" class="capturePost" rel="59902/19986822/es_es">Nectocaris pteryx, un enigmático fósil antepasado del calamar</a> </h2> <p>Un animal que vivió hace 500 millones de años y no fue descubierto hasta hace un siglo en el yacimiento de Burgess Shale (Canadá) ha sido ahora identificado como uno de los más primitivos moluscos [...] ...</p> </div> <div class="meta"> <a title="Enviá esta noticia a tus amigos" class="thickbox share" 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Keegy Argentina - Nectocaris pteryx, el misterioso fósil de calamar carnívoro de 500 millones de años