{"id":4559,"date":"2009-03-14T19:49:55","date_gmt":"2009-03-14T19:49:55","guid":{"rendered":"http:\/\/www.technogypsie.com\/science\/?p=10"},"modified":"2009-03-14T19:49:55","modified_gmt":"2009-03-14T19:49:55","slug":"helicoprionids","status":"publish","type":"post","link":"https:\/\/technotink.net\/science\/helicoprionids\/","title":{"rendered":"Helicoprionids"},"content":{"rendered":"<p><strong>Heliocoprionids<\/strong><br \/>\n<em>Heliocoprionid sp.<\/em><\/p>\n<p><em>Timeline: Late Permian (299-251 Million years ago)<br \/>\nMaximum size: Uncertain<br \/>\nPredator advantage: teeth<br \/>\nLikely prey: Fishes, cephalopods<\/em><\/p>\n<p>The prehistoric shark Heliocoprionid sp. swan the seas in the Pennsylvannian (318-299 million years ago).<br \/>\nA continuous whorl of teeth the size of a dinner plate made heliocopronids like a buzz saw with fins.<br \/>\nExactly how the tooth whorl fits into the mouth, and how the heliocoprionids used it to hunt, remains unclear. These fearsome early shark relatives lived about 270-251 million years ago.<\/p>\n<div align=\"center\"><a href=\"http:\/\/www.technogypsie.com\/photogallery\/2009\/feb\/022109\/dc022109-018.jpg\"><img decoding=\"async\" width=\"300\" border=\"0\" src=\"http:\/\/www.technogypsie.com\/photogallery\/2009\/feb\/022109\/dc022109-018.jpg\" \/><\/a><br \/>\nDisplay marker at National Museum of Natural History<br \/>\nSmithsonian, National Mall, Washington, D.C.<\/div>\n<p><!--more--><\/p>\n<div align=\"center\"><a href=\"http:\/\/www.technogypsie.com\/photogallery\/2009\/feb\/022109\/dc022109-019.jpg\"><img decoding=\"async\" width=\"250\" border=\"0\" src=\"http:\/\/www.technogypsie.com\/photogallery\/2009\/feb\/022109\/dc022109-019.jpg\" \/><\/a><br \/>\nFossil display at National Museum of Natural History<br \/>\nSmithsonian, National Mall, Washington, D.C.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Heliocoprionids Heliocoprionid sp. Timeline: Late Permian (299-251 Million years ago) Maximum size: Uncertain Predator advantage: teeth Likely prey: Fishes, cephalopods The prehistoric shark Heliocoprionid sp. swan the seas in the Pennsylvannian (318-299 million years ago). A continuous whorl of teeth &hellip; <a href=\"https:\/\/technotink.net\/science\/helicoprionids\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[27,94,55,57],"tags":[],"class_list":["post-4559","post","type-post","status-publish","format-standard","hentry","category-fauna","category-fossils","category-paleontology","category-permian"],"_links":{"self":[{"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/posts\/4559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/comments?post=4559"}],"version-history":[{"count":0,"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/posts\/4559\/revisions"}],"wp:attachment":[{"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/media?parent=4559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/categories?post=4559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/technotink.net\/science\/wp-json\/wp\/v2\/tags?post=4559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}