{"id":6097,"date":"2020-06-11T18:00:00","date_gmt":"2020-06-11T15:00:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/ancient-crocodiles-walked-on-two-legs-like-dinosaurs\/"},"modified":"2020-06-11T18:00:00","modified_gmt":"2020-06-11T15:00:00","slug":"ancient-crocodiles-walked-on-two-legs-like-dinosaurs","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/ancient-crocodiles-walked-on-two-legs-like-dinosaurs\/","title":{"rendered":"#Ancient crocodiles walked on two legs like dinosaurs"},"content":{"rendered":"

“#Ancient crocodiles walked on two legs like dinosaurs<\/strong>”<\/p>\n

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\"Ancient<\/img>
\n A reconstruction of the ancient landscape of South Korea with crocodile track-makers. Credit: Dr Anthony Romilio
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

An international research team has been stunned to discover that some species of ancient crocodiles walked on their two hind legs like dinosaurs and measured over three meters in length.<\/p>\n

\n <\/section>\n

University of Queensland paleontologist Dr. Anthony Romilio said the researchers first thought the similar-shaped fossilized footprints were from another ancient animal known as the pterosaurs.<\/p>\n

“At one site, the footprints were initially thought to be made by a giant bipedal pterosaur walking on the mudflat, we now understand that these were bipedal crocodile prints,” Dr. Romilio said.
\n“The footprints measure around 24 centimeters, suggesting the track-makers had legs about the same height as human adult legs.
\n“These were long animals that we estimate were over three meters in length.
\n“And while footprints were everywhere on the site, there were no handprints.”
\nThe research team, led by Professor Kyung Soo Kim from Chinju National University of Education, soon found clues as to why there were no handprints.
\n“Typical crocodiles walk in a squat stance and create trackways that are wide,” Professor Kim said.
\n“Oddly, our trackways are very narrow looking\u2014more like a crocodile balancing on a tight-rope.
\n“When combined with the lack of any tail-drag marks, it became clear that these creatures were moving bipedally.<\/p>\n

\n
\n
\"Ancient<\/img>
\n A reconstruction of ancient South Korean crocodile track-makers. Credit: Dr Anthony Romilio
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

“They were moving in the same way as many dinosaurs, but the footprints were not made by dinosaurs.
\n“Dinosaurs and their bird descendants walk on their toes.
\n“Crocodiles walk on the flat of their feet leaving clear heel impressions, like humans do.”
\nThe footprints dated between 110-120 million years ago and were discovered after analyzing animal track sites in what is now known as South Korea.
\nResearchers initially questioned the absence of hand impressions from the trackways, given that today’s typical crocodiles are ‘four-legged’ or quadrupedal.
\n“Fossil crocodile tracks are quite rare in Asia, so finding an abundance of nearly one hundred footprints was extraordinary,” Dr. Romilio said.<\/p>\n

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\"Ancient<\/img>
\n Photograph of trackways made by ancient South Korean bipedal crocodile track-makers. Credit: Dr Seul Mi Bae
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

“As an animal walks, the hind feet have the potential of stepping into the impression made by the hand and ‘over-printing’ it, but we find no evidence of this at these Korean sites.
\n“It isn’t due to poor preservation either, because these fossils are spectacular, they even have the fine details of the toe-pads and scales on their soles preserved.”
\nThis research has been published in Scientific Reports<\/i>.<\/p>\n

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More information:<\/strong>
\n Trackway evidence for large bipedal crocodylomorphs from the Cretaceous of Korea, Scientific Reports<\/i> (2020). DOI: 10.1038\/s41598-020-66008-7\n <\/div>\n

\n Citation<\/strong>:
\n Ancient crocodiles walked on two legs like dinosaurs (2020, June 11)
\n retrieved 11 June 2020
\n from https:\/\/phys.org\/news<\/a>\/2020-06-ancient-crocodiles-legs-dinosaurs.html<\/p>\n

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“#Ancient crocodiles walked on two legs like dinosaurs” A reconstruction of the ancient landscape of South Korea with crocodile track-makers. Credit: Dr Anthony Romilio An international research team has been stunned to discover that some species of ancient crocodiles walked on their two hind legs like dinosaurs and measured over three meters in length. University…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[12026,12025,10591],"class_list":["post-6097","post","type-post","status-publish","format-standard","hentry","category-sciencee","tag-an-international-research-team-has-been-stunned-to-discover-that-some-species-of-ancient-crocodiles-walked-on-their-two-hind-legs-like-dinosaurs-and-measured-over-three-meters-in-length","tag-ancient-crocodiles-walked-on-two-legs-like-dinosaurs","tag-archaeology-fossils"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/6097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=6097"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/6097\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=6097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=6097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=6097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}