<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large"><span style="color:rgb(39,78,19);font-family:"times new roman",serif">The CEES Seminar Series presents:</span></div><div><div><div><div><p class="MsoNormal" style="margin:0in;line-height:normal;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:12pt;font-family:"Times New Roman",serif">Dr. Emma Kast, </span></b><span style="font-size:12pt;font-family:"Times New Roman",serif">University of Cambridge,<b> </b>Department of Earth Sciences</span></p><p class="MsoNormal" style="margin:0in;line-height:normal;font-size:11pt;font-family:Calibri,sans-serif"><b style="font-family:"Times New Roman",serif;font-size:12pt"><i><br></i></b></p><p class="MsoNormal" style="margin:0in;line-height:normal;font-size:11pt;font-family:Calibri,sans-serif"><b style="font-family:"Times New Roman",serif;font-size:12pt"><i>Cenozoic megatooth sharks occupied extremely high trophic positions</i></b></p><p class="MsoNormal" style="margin:0in;line-height:normal;font-size:11pt;font-family:Calibri,sans-serif"><b><i><span style="font-size:12pt;font-family:"Times New Roman",serif"> </span></i></b></p><p class="MsoNormal" style="margin:0in;line-height:normal;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;font-family:"Times New Roman",serif">This talk will explore how nitrogen isotopes measured in fossil teeth can reveal where </span><span style="font-family:"Times New Roman",serif;font-size:12pt">extinct animals sat in the food web. We will dive into the world of Cenozoic sharks, focusing on the megatooth sharks (genus Otodus), including the giant Otodus megalodon (> 15 m), which went extinct about 3.5 million years ago. Exceptionally high nitrogen isotope values in O. megalodon suggest it occupied a higher trophic level than any known marine species, living or extinct, and the record also indicates a dietary shift in the lineage, with peak trophic level reached before maximum body size for the megatooth sharks.</span></p></div><div><p class="MsoNormal" style="margin:0in;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"></p><p class="MsoNormal" style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:12pt;line-height:17.12px;font-family:"Times New Roman",serif"> </span></p><p class="MsoNormal" style="margin:0in;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"></p><p class="MsoNormal" style="margin:0in;line-height:15.6933px;font-size:11pt;font-family:Calibri,sans-serif"><b style="font-family:Arial,Helvetica,sans-serif;font-size:small">Friday April 3,</b><b style="font-family:Arial,Helvetica,sans-serif;font-size:small">  3:30</b><b style="font-family:Arial,Helvetica,sans-serif;font-size:small">pm. </b></p><div><div><div><div><div><b>Hudson 106</b></div></div><div><b>Reception prior to the talk at 3:00</b></div></div><div><br></div><div>You can add the full seminar schedule to your <a href="https://calendar.google.com/calendar/u/0?cid=Y18xMDhkNjVlMjY1ZGVmNjI5MTU3NDJhNzU0ZmQyMTE4ZjBhNmRhYmJjNDg2MDE0MGU3NmUwMTU0YzNiOGFmZTQwQGdyb3VwLmNhbGVuZGFyLmdvb2dsZS5jb20" target="_blank">Google Calendar</a><br></div></div><div><div><div>You can also get weekly updates by following our <a href="https://www.facebook.com/SUNYPlattsburghCEES" target="_blank">Facebook</a> or <a href="https://www.instagram.com/cees_sunyplattsburgh/" target="_blank">Instagram</a> pages<br></div><div><br></div><div>Please advertise broadly and distribute to anyone you think might be interested.<br></div></div></div></div></div></div><div></div></div><div><img src="cid:ii_mn7gehgs1" alt="Slide1.JPG" width="542" height="407" class="gmail-CToWUd gmail-a6T" tabindex="0" style="cursor: pointer; outline: 0px;"><br></div></div></div>